00487nam a2200097Ia 450000500170000010000300001724501060004726000090015352002080016258300190037020260716043351.0  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