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. 2020 Oct 16;11(6):1434–1445. doi: 10.1016/j.apsb.2020.10.010

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© 2021 Chinese Pharmaceutical Association and Institute of Materia Medica, Chinese Academy of Medical Sciences. Production and hosting by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Summary of CO delivery approaches. Refs.: (1)¹⁶¹^,182, 183, 184, 185, (2)¹⁸⁶, (3)¹⁸⁷, (4)¹⁸⁸, (5)¹⁸⁹, (6)¹⁹⁰, (7)¹⁹¹, (8)¹⁹², (9)¹⁸⁷, (10)¹⁰⁴, (11)¹⁹³, (12)¹⁹⁴, (13)¹⁹⁵, (14) and (15)¹⁹⁶, (16)¹⁶⁸, (17)¹⁶⁹, (18)164, 165, 166^,¹⁷⁷, (19)¹⁶⁷, (20)¹⁹⁷, (21)⁷⁵^,¹⁹⁸, (22)⁷¹^,¹⁵³^,¹⁷⁰^,¹⁹⁹, (23)²⁰⁰, (24)¹⁷³^,¹⁷⁶, (25)¹⁸⁰, (26)¹⁷⁵.