Carbon Monoxide Poisoning
NEJM 339:1603-1608, Ernst,A. & Zibrak,J. D., 1998
Warehouse Workers'Headache:Emergency Evaluation and Management of 30 Pts with Carbon Monoxide Poisoning
Am J Med 98:145-155, Ely,E.W.,et al, 1995
Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012