title: The chromosome numbers of four populations of bulinine snails from Lake Nasser, Egypt.
mesh_terms: D000818:Animals; D002033:Bulinus / Q000235:genetics*; D002875:Chromosomes; D004199:Disease Vectors; D004534:Egypt; D006801:Humans; D011003:Ploidies; D012548:Schistosoma haematobium; D012552:Schistosomiasis / Q000517:prevention & control