title: The Macklin effect: a cause of pneumoperitoneum.
mesh_terms: D000063:Accidents, Traffic; D000328:Adult; D001027:Aortography; D004618:Embolism, Air / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D005774:Gastrostomy; D006801:Humans; D008297:Male; D011027:Pneumoperitoneum / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D011030:Pneumothorax / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D011175:Positive-Pressure Respiration; D011183:Postoperative Complications / Q000209:etiology; D011654:Pulmonary Edema / Q000209:etiology