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	1.	Human health resources: issues concerning the number, distribution, mix and role of physicians in the Canadian health care system. [electronic resource] by Colohan, D P Producer: 19970220 In: Healthcare management forum vol. 9 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Nitrous oxide: a nonnarcotic analgesic for emergency use. [electronic resource] by Colohan, D P Producer: 19830317 In: Medical instrumentation vol. 16 Availability: No items available. Save to lists Add to cart (remove)
	3.	An unusual case of intermittent upper airway obstruction. [electronic resource] by Colohan, D P Hillborn, M Producer: 19930708 In: The Journal of emergency medicine vol. 11 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Methemoglobinemia from overdose of phenazopyridine hydrochloride. [electronic resource] by Zimmerman, R C Green, E D Ghurabi, W H Colohan, D P Producer: 19800514 In: Annals of emergency medicine vol. 9 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Phenazopyridine hydrochloride toxicity: a cause of drug-induced methemoglobinemia. [electronic resource] by Green, E D Zimmerman, R C Ghurabi, W H Colohan, D P Producer: 19791227 In: JACEP vol. 8 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)