[From the aesculapian staff to the mercurial caduceus].
Prates
Paulo R
PR
Instituto de Cardiologia do Rio Grande do Sul, Fundação Universitária de Cardiologia, Porto Alegre, RS, Brazil. pesquisa@carnet.tche.br
D003132:Commerce / Q000266:history*; D004616:Emblems and Insignia / Q000266:history*; D049690:History, Ancient; D049691:History, Medieval; D012955:Societies, Medical