VIP messenger RNA in the sphincteric smooth muscles.
Daniel
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D000818:Animals; D004064:Digestive System / Q000378:metabolism*; D009130:Muscle, Smooth / Q000378:metabolism*; D009893:Opossums; D012333:RNA, Messenger / Q000378:metabolism*; D014660:Vasoactive Intestinal Peptide / Q000235:genetics*
D012333:RNA, Messenger; D014660:Vasoactive Intestinal Peptide