Larval migration of Strongyloides ratti with reference to esophagus length.
D000818:Animals; D004947:Esophagus / Q000033:anatomy & histology; D007814:Larva / Q000502:physiology; D009068:Movement; D051381:Rats; D011919:Rats, Inbred Strains; D013321:Strongyloides / Q000033:anatomy & histology / Q000502:physiology*