00405pam a2200157 a 4500020000500000040002500005041001300030082001300043100001300056245004900069260002300118300001400141365001700155653005200172700002300224  c  aMedical College Lib.  aENGhENG  a614bWHO  aWHO,   .  aScreening in Primary / chTextual Documents  a : bWHO , c1994.  a1400 ; c  asw fr. 21.00  aMedical ScienceaPreventive and Social Medicine  aBraveman, P. A.  .