00339pab a2200133 454500008004000000100002200040245003400062260000900096300001200105362001300117650002000130700002000150773003500170180718b1984   xxu||||| |||| 00| 0 eng d  aLohr, Kathleen N.  aQuality assurance in Medicine  c1984  a583-607  aMay-June  aHealth Services  aRobert A. Brook  aAmerican Behavioural Scientist