title: RHYTHMIC CONTRACTIONS OF THE TEAT SPHINCTER IN THE BOVINE.
mesh_terms: D000818:Animals; D002417:Cattle; D004576:Electromyography; D004971:Estrus; D005260:Female; D008321:Mammary Glands, Animal; D009119:Muscle Contraction; D009132:Muscles
keywords: CATTLE; ELECTROMYOGRAPHY; ESTRUS; MAMMAE; MUSCLE CONTRACTION