Visual studies of the oesophageal groove in lambs and its response to intravenous atropine.
D000018:Abomasum; D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D004947:Esophagus / Q000187:drug effects* / Q000502:physiology; D008892:Milk; D012159:Reticulum; D012756:Sheep
D001285:Atropine