1. Carboxyhemoglobin levels in patients with headaches;Chisholm;Ann Emerg Med,1987
2. Efficiency of an emergency department screening program for unsuspected carbon monoxide exposure;Turnbull;Ann Emerg Med,1987
3. Occult carbon monoxide poisoning: A cause of winter headache;Heckerling;Am J Emerg Med,1987
4. Subacuate carbon monoxide poisoning Another great imitator;Grace;JAMA,1981
5. Still forgotten;Buckley;Lancet,1984