@article {22,
	title = {Is it really a true reversal?},
	journal = {Wien Klin Wochenschr},
	volume = {122},
	year = {2010},
	month = {2010 Sep},
	pages = {545},
	keywords = {Age Factors, Aged, Aged, 80 and over, Austria, Cross-Cultural Comparison, Cross-Sectional Studies, Female, Hip Fractures, Humans, Incidence, Male, Middle Aged, Sex Factors},
	issn = {1613-7671},
	doi = {10.1007/s00508-010-1454-6},
	author = {Mann, Eva and Icks, Andrea and Haastert, Bernhard and Meyer, Gabriele}
}
