00611nam a2200181Ia 4500001000700000003000600007005001700013008004100030020001500071040001300086082002000099100003700119245011100156260004900267650003100316700003800347700004400385257923OCoLC20160527191710.0011114s2000    mx      s     000 0 spa d  a9701026810  aUN@cUN@  a616.8498bV152t1 aValencia Flores, Matilde.2Local10aTrastornos del dormircMatilde Valencia Flores, Rafael J. Salín Pascual, José Rogelio Pérez Padilla.  aMéxicobMcGraw-HillbInteramericanac2000. 0aSleep disturbances.2Local1 aSalín Pascual, Rafael J.2Local1 aPérez Padilla, José Rogelio.2Local