[Hospital certification].
Wolpert E, Candelas L, Frenk J, Lozano R, Zurita B, Hurtado-Beléndez A, Aguirre-Gas H, Vilar-Puig P, Narro-Robles J, Fernández-Varela Mejía H, Rivero-Serrano O.
Wolpert E, et al. Among authors: lozano r.
Gac Med Mex. 1996;132 Suppl 2:179-202.
Gac Med Mex. 1996.
PMID: 9081858
Spanish.
No abstract available.