1. The dangers of going to bed;Asher, R.A.J.;BMJ,1947
2. Bed rest;Smith, T.,1992
3. Trends in hospital utilization, 1965-86;Pokras, R.; Kozak, U.; McCarthy, E.; Graves, E.J.;Am J Public Health,1990
4. Trends in length of stay and rates of readmission in Massachusetts: implications for monitoring quality of care;Epstein, A.M.; Bogen, J.; Dreyer, P.; Thorpe, K.E.;Inquiry,1991
5. Why has hospital length of stay declined? An evaluation of alternative theories;Sloan, F.A.; Valvona, J.;Soc Sci Med,1986