Variation in hospital length of stay: do physicians adapt their length of stay decisions to what is usual in the hospital where they work?

Jong, J.D. de, Westert, G.P., Lagoe, R., Groenewegen, P.P. Variation in hospital length of stay: do physicians adapt their length of stay decisions to what is usual in the hospital where they work? Health Services Research: 2006, 41(2), 374-394