[In memoriam: Rafael Olivera Toro Cordero, M.C., M.S.P. (28 May 1916-29 February 1976)].
D004813:Epidemiology / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008800:Mexico
In memoriam: Rafael Olivera Toro Cordero, M.C., M.S.P. (28 de mayo de 1916-29 de febrero de 1976).