Cuadernos amarillos. - Caracas, Editorial Grafolit, 1946- - v. <2, 6, 12-14, 16, 19, 21-29 > illus. 24 cm. LCCN: med47003118 Subjects--Topical Terms: Public health--Congresses. LC Class. No.: RA422 / .P25 1947b Dewey Class. No.: 614.06387