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.
Balthazar PA, Cordeiro EN, Barreto OC, Vitule Filho A, Cobra CJ.Balthazar PA, et al. Among authors: cobra cj.Rev Hosp Clin Fac Med Sao Paulo. 1973 Jan-Feb;28(1):25-30.Rev Hosp Clin Fac Med Sao Paulo. 1973.PMID: 4512420Portuguese.No abstract available.
Ruiz SI, Cobra CJ.Ruiz SI, et al. Among authors: cobra cj.Rev Hosp Clin Fac Med Sao Paulo. 1969 Sep;24(5):307-12.Rev Hosp Clin Fac Med Sao Paulo. 1969.PMID: 5307670Portuguese.No abstract available.
Ruiz SI, Cobra CJ.Ruiz SI, et al. Among authors: cobra cj.Rev Hosp Clin Fac Med Sao Paulo. 1966 Nov-Dec;21(6):337-54.Rev Hosp Clin Fac Med Sao Paulo. 1966.PMID: 5998618Portuguese.No abstract available.
RUIZ SI, D'AURIA H, BUONICONTI A, COBRA CJ.RUIZ SI, et al. Among authors: cobra cj.Rev Hosp Clin Fac Med Sao Paulo. 1963 May-Jun;18:189-91.Rev Hosp Clin Fac Med Sao Paulo. 1963.PMID: 13975485Portuguese.No abstract available.