title: Schistosoma mansoni: relationship between parasite age and time of spontaneous elimination from the rat.
mesh_terms: D000367:Age Factors; D000818:Animals; D006224:Cricetinae; D008297:Male; D051381:Rats; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000469:parasitology*; D013997:Time Factors