00518nam a2200169Ia 450000500170000000800410001703500090005804100080006708200110007510000230008624500630010926000450017230000120021750500590022965000400028870000200032820260808125430.0260808s9999||||xx |||||||||||||| ||und||  a4632  aENG  a61.001  aGellhorn, A. (ed.) 0aHealth needs of scoietyba challenge for medical education  aGenevabWorld Health Oraganizationc1977  av + 221  aWHO, international health, reference, global standards  aWHObGeneral works -- Encyclopedias  aFulop, T. (ed.)