Development of ovine fetal ileal motility: role of muscarinic receptor subtypes.
Oyachi N, Lakshmanan J, Ahanya SN, Bassiri D, Atkinson JB, Ross MG. Development of ovine fetal ileal motility: role of muscarinic receptor subtypes. Am J Obstet Gynecol. 2003 Oct; 189(4):953-7.