Incidence of infected surgical wound and prophylaxis with cefotaxime in cesarean section [in Spanish] - Lemus Rocha, R; García Gutiérrez, L B; Basavilvazo Rodríguez, M A; Cruz Avelar, A; Peralta Pedrero, M L; Hernández Valencia, M (Ginecol Obstet Mex, 2005)