[On the significance of placental acetylcholine in premature labor].
D000109:Acetylcholine / Q000737:chemistry*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D007752:Obstetric Labor, Premature; D010920:Placenta / Q000737:chemistry*; D011247:Pregnancy
D000109:Acetylcholine
ACETYLCHOLINE/chemistry; LABOR; PLACENTA/chemistry