An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Zapf M, Patel D, Henson P, McEvoy MD, Huang E, Wanderer JP, Fowler L, Mccarthy K, Freundlich RE, Eden S, Shotwell MS, Kertai MD; PROGRAM Investigators.Zapf M, et al.BMJ Open. 2023 Aug 24;13(8):e072745. doi: 10.1136/bmjopen-2023-072745.BMJ Open. 2023.PMID: 37620270Free PMC article.
Kothari AN, Brownlee SA, Blackwell RH, Zapf MAC, Markossian T, Gupta GN, Kuo PC.Kothari AN, et al. Among authors: zapf mac.JAMA Surg. 2017 Jun 1;152(6):602-603. doi: 10.1001/jamasurg.2017.0015.JAMA Surg. 2017.PMID: 28355430Free PMC article.