Hackett, Cecil John. Differential diagnosis of yaws / [by] C.J. Hackett [and] L.J.A. Loewenthal. - Geneva : World Health Organization, 1960. - World Health Organization. Monograph series ; no. 45 . - Monograph series (World Health Organization) ; no. 45 . Bibliography: p. 87-88. LCCN: 60051298 Subjects--Topical Terms: Yaws -- Diagnosis.--Yaws -- Diagnosis.Diagnosis, DifferentialYaws -- diagnosis--Yaws -- diagnosis LC Class. No.: RC205 / .H29 Dewey Class. No.: 616.57