1.[Epidemiological health factors and their relationship with academic performance during the first year of medical school. Study of two generations]. López-Bárcena J, González-de Cossío Ortiz M, Avila-Martínez I, Teos-Aguilar O. Gac Med Mex. 2009 Mar-Apr;145(2):81-90. Spanish.
PMID: 19518013 [PubMed - indexed for MEDLINE]
2.[Efficiency of a nationally-made automatic retractor used in various surgical procedures].Soriano Sánchez R, González de Cossío Ortiz M, Brust Carmona H. Salud Publica Mex. 1986 Nov-Dec;28(6):670-7. Spanish. No abstract available.
PMID: 3603206 [PubMed - indexed for MEDLINE]