1.
Bol Med Hosp Infant Mex
; 43(7): 417-20, 1986 Jul.
Article
in Spanish
| MEDLINE
| ID: mdl-3730124
Subject(s)
Anal Canal/anatomy & histology , Child , Child, Preschool , Female , Humans , Infant , Infant, Newborn , Male , Mexico , Sex Factors
2.
Rev Gastroenterol Mex
; 51(1): 35-7, 1986.
Article
in Spanish
| MEDLINE
| ID: mdl-2873654