00515nam a2200169 a 45000010005000000030009000050080041000140400028000550820018000831000027001012450102001282600036002303000010002666500024002766500023003006500022003237058CO-ViMGA141112s2004    ck      r     000 u spa d  aCO-ViMGAbspacCO-ViMGA04a614.793 G437c1 aGhersi, Carlos Alberto10aContrato de medicina prepagada / cGhersi Carlos Alberto , Weingarten Celia , Ippolito Silvia C.   aBuenos Aires : bAstrea, c1993  a270 p14aIppolito, Silvia C.14aSERVICIOS DE SALUD14aWeingarten, Celia