[Incidence of Trichinella spiralis in 900 rats (Rattus norvegicus) in Mexico City].
D000818:Animals; D015994:Incidence; D007239:Infections; D008800:Mexico; D051381:Rats; D014234:Trichinella; D017160:Trichinella spiralis
RATS; TRICHINELLA/infections
Incidencia de Trichinella spiralis en 900 ratas (Rattus norvegicus), en la ciudad de México.