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.
Carvalho A, Novaes M, Sauer J, Demange MK, Helito CP, João SMA.Carvalho A, et al. Among authors: joao sma.Clinics (Sao Paulo). 2023 Aug 17;78:100267. doi: 10.1016/j.clinsp.2023.100267. eCollection 2023.Clinics (Sao Paulo). 2023.PMID: 37597471Free PMC article.
Penha PJ, Ramos NLJP, de Carvalho BKG, Andrade RM, Schmitt ACB, João SMA.Penha PJ, et al. Among authors: joao sma.Spine (Phila Pa 1976). 2018 Dec 15;43(24):1710-1718. doi: 10.1097/BRS.0000000000002725.Spine (Phila Pa 1976). 2018.PMID: 29877996