00458nam a2200085Ia 4500100003000000245010600030260000900136520020800145583001900353  aRoyston, Geoff... [et al]  aUsing system dynamics to help develop and implement policies and programmes in health care in England  c1999  aDescribes how the Operational Research Group in the Department of Health in England has used system dynamics modelling in several areas of health care policy and programme development and implementation.  c3/7/00kM2LMGR