title: Unexplained pneumoperitoneum and sclerema neonatorum.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D008297:Male; D011027:Pneumoperitoneum / Q000175:diagnosis*; D012593:Sclerema Neonatorum / Q000175:diagnosis*