@article {:September 2006:0926-9959:1008,
	title = "An unusual side-effect of tramadol: subcutaneous nodules",
	journal = "Journal of the European Academy of Dermatology & Venereology",
	volume = "20",
	year = "September 2006",
	abstract = "",
	pages = "1008-1009(2)",
	url = "http://www.ingentaconnect.com/content/bsc/jdv/2006/00000020/00000008/art00024"
	doi = "doi:10.1111/j.1468-3083.2006.01599.x"
}