title: Pneumoperitoneum and catamenial pneumothorax.
authors.forename: G A
authors.initials: GA
authors.lastname: Lillington
authors.forename: S P
authors.initials: SP
authors.lastname: Mitchell
mesh_terms: D005260:Female; D006801:Humans; D008598:Menstruation; D011027:Pneumoperitoneum / Q000150:complications*; D011030:Pneumothorax / Q000150:complications*