[Observations and notes on the principal sanitary problems in the Province of Yucatan].
D000818:Animals; D001699:Biometry; D003141:Communicable Diseases / Q000453:epidemiology* / Q000706:statistics & numerical data*; D034421:Sus scrofa; D013552:Swine
COMMUNICABLE DISEASES/epidemiology and statistics
Apuntes y notas sobre los principales problemas sanitarios del estado de Yucátan.