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<url><loc>https://stock.noler.com/us/stock/histogen-inc/operating-lease-payments-due-year-three</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/operating-lease-payments-due-year-two</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/operating-lease-right-of-use-asset-amortization-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/operating-lease-weighted-average-discount-rate-percent</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/operating-leases-rent-expense-net</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-current-assets</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-noncash-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-noncash-income-expense</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-nonoperating-expense</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-nonoperating-income-expense</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/other-than-temporary-impairment-loss-debt-securities-available-for-sale</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/paid-in-capital-shares-issued-issuance-costs</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/paid-in-capital-stock-compensation</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-for-royalties</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-of-distributions-to-affiliates</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-of-stock-issuance-costs</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-to-acquire-available-for-sale-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-to-acquire-in-process-research-and-development</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/payments-to-acquire-investments</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-shares-facts</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-capital-shares-reserved-for-future-issuance</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-dividends-income-statement-impact</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-par-or-stated-value-per-share</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-shares-authorized</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-shares-issued</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/preferred-stock-value</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/prepaid-insurance</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/prepaid-rent</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/proceeds-from-issuance-of-warrants</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/proceeds-from-notes-payable</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/proceeds-from-repurchase-of-equity</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/proceeds-from-stock-options-exercised</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/proceeds-from-warrant-exercises</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/profit-loss</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/property-plant-and-equipment-gross</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/property-plant-equipment</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/public-float</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/realized-investment-gains-losses</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/redeemable-noncontrolling-interest-equity-carrying-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/redeemable-noncontrolling-interest-equity-preferred-carrying-amount</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/repayments-of-related-party-debt</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/research-and-development</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/research-and-development-in-process</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/restricted-cash</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/restricted-cash-current</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/revenue-from-contract-with-customer-excluding-assessed-tax</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/security-deposit</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shareholders-equity</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-authorized</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-issued</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-issued-price-per-share</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-issued-shares-conversion-of-convertible-securities</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-issued-shares-new-issues</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/shares-issued-shares-reverse-stock-splits</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/short-term-borrowings</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/stock-award-fair-value-assumptions-expected-dividend-rate</loc></url>
<url><loc>https://stock.noler.com/us/stock/histogen-inc/stock-award-fair-value-assumptions-expected-volatility-rate</loc></url>
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<url><loc>https://stock.noler.com/us/stock/histogen-inc/stock-issued-shares-issued-value-espp</loc></url>
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