A Reassessment of the HL—A System in Khoisan Populations of South West Africa

Work supported in part by the South African Institute for Medical Research, the Chris Barnard Fund and a grant from the U.K. Medical Research Council. Also the J. A. Cohen Institute for Radiopathology and Radiation Protection (IRS), the National Institute of Health (Contract PH 43-65-992), the Dutch Organisation for Health Research (TNO), the Dutch Foundation for Medical Research (FUNGO) and the Dutch Organisation for the Advancement of Pure Research (ZWO).