Endemic fluorosis in South Africa / by T. Ockerse.

Pretoria : Printed in the Union of South Africa by the Government Printer, 1944.

93 pages, 3 unnumbered leaves of plates : illustrations, color map ; 25 cm

"Thesis approved for the degree of Doctor of Dental Surgery in the University of the Witwatersrand, Johannesburg"--Cover

At head of title: Union of South Africa. Department of Public Health.