@article {Katcher:January 1999:0885-3924:70,
	author = "Katcher J.",
	author = "Walsh D.",
	title = "Opioid-Induced Itching - Morphine Sulfate and Hydromorphone Hydrochloride",
	journal = "Journal of Pain and Symptom Management",
	volume = "17",
	year = "January 1999",
	abstract = "",
	pages = "70-72(3)",
	url = "http://www.ingentaconnect.com/content/els/08853924/1999/00000017/00000001/art00115"
	doi = "doi:10.1016/S0885-3924(98)00115-8"
}