Pawłowski, Zbigniew S. Hookworm infection and anaemia : Approaches to prevention and contro / Z. S. Pawłowski. - Geneva : World Health Organization, 1991. - vi, 96 p. : ill. ; 24 cm. Includes bibliographical references ISBN: 92-154415-5 Subjects--Topical Terms: Hookworm disease--PreventionHookwormsAnemia--Prevention