00507    a2200169   4500100004100000102000700041606003300048606002700081215001700108005001700125101000800142200007100150001000600221675001800227210006700245700002500312  a20040721                 y50          aPT  aSaúde e higiene públicas  aEconomia matemática   a18 p.d21 cm20180928123251.00 apor  aTechnology levels and efficiency in health carefPedro Pita Barros79851  a614:330.4 TEC  aLisboacAssociação Portuguesa de Economia da Saúded1995  a BarrosbPedro Pita