Pawlowski, Z. S. Hookworm infection and anaemia: approaches to prevention and control / Z. S. Pawlowsky, G. A. Schad, and G. J. Stott - Geneva : World Health Organization, 1991. - vi, 96 p : ISBN: 9241544155 Subjects--Topical Terms: Hookworm infections.- Dewey Class. No.: 616.071 / Ho