Breathing space.
Crum
N F
NF
Naval Medical Center, San Diego, CA 92134, USA.
Murray
K M
KM
D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology / Q000628:therapy; D011859:Radiography; D012307:Risk Factors