Sex hormones as a possible factor influencing the level of parasitization in frogs.
D000818:Animals; D001001:Anura / Q000469:parasitology*; D012739:Gonadal Steroid Hormones; D006376:Helminths
D012739:Gonadal Steroid Hormones
FROGS/parasitology; HELMINTHS; SEX HORMONES