title: Removal of an intra-abdominal egg from a chicken.
authors.forename: C F
authors.initials: CF
authors.lastname: Shield
mesh_terms: D000818:Animals; D002645:Chickens; D004531:Eggs; D005260:Female; D010060:Ovulation / Q000187:drug effects*; D010529:Peritoneal Cavity; D011374:Progesterone / Q000031:analogs & derivatives* / Q000494:pharmacology
chemical_list: D011374:Progesterone; C017677:proligestone