@article {pmid10904464,
	title = {Low-molecular-weight heparin prophylaxis using dalteparin in close proximity to surgery vs warfarin in hip arthroplasty patients: a double-blind, randomized comparison. The North American Fragmin Trial Investigators},
	journal = {Arch. Intern. Med.},
	volume = {160},
	number = {14},
	year = {2000},
	month = {Jul},
	pages = {2199{\textendash}2207},
	author = {Hull, R. D. and Pineo, G. F. and Francis, C. and Bergqvist, D. and Fellenius, C. and Soderberg, K. and Holmqvist, A. and Mant, M. and Dear, R. and Baylis, B. and Mah, A. and Brant, R.}
}
