Third Congress of the International Professional Union of Gynecologists and Obstetricians: economic classification and classification by prices of obstetrical and gynecological procedures, according to a schedule of charges
III Congreso de La Unión Profesional Internacional de Ginecologos y Obstetras (U.P.I.G.O.): clasificaión económica y por tarifa de los actos obstétricos y ginecológicos, segun una jerarquia de valores