title: Chromosomes of Heterobilharzia americana (Digenea: Schistosomatidae) from Texas.
mesh_terms: D000818:Animals; D002871:Chromosome Banding; D002875:Chromosomes / Q000648:ultrastructure*; D005260:Female; D007621:Karyotyping; D008297:Male; D012551:Schistosomatidae / Q000235:genetics* / Q000648:ultrastructure; D013781:Texas