Hackett, C. J. Differential diagnosis of yaws / By C. J. Hackett and L. J. A. Loewenthal - Geneva : World Health Organization, 1960 - 88 p. : ill. ; 25 cm. - Monograph series (World Health Organization) ; no.45. . Bibliography: p. 87-88 LCCN: 60-051298 Subjects--Topical Terms: Yaws--Diagnosis National Library of Medicine Call No.: WC425.H121d 1960 9