00464 am a2200169 a 450000500170000000800410001702000150005804100080007310000240008124500670010525000120017226000380018430000140022265300160023670000240025270000180027620111115125004.0100702s1997||||mx a   f |||| 001 0 spa d  a9701015622  aspa1 aBehrman, Richard E.  aNelson. Tratado de Pediatría. T.1.cRichard E. BehrmannT.1.  a15a ed.  aMéxico : bMcGraw-Hill, c1997.  a1-1462 p.  aPediatría1 aKliegman, Robert M.1 aArvin, Ann M.