IJsselmuiden, Carel, 1954-2013-09-072005-09-222013-09-072003-09-012005-09-222005-09-19John J, 2003, Lead exposure of children attending pre-school facilities in certain geographical areas of Pretoria, in relation to their activity patterns : a cross-sectional study, MSc dissertation, University of Pretoria, Pretoria, viewed yymmdd < http://hdl.handle.net/2263/28025 >H1183/thhttp://hdl.handle.net/2263/28025Dissertation (MSc)--University of Pretoria, 2005.Please read the abstract in the section 00front of this document© 2003 University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means,without the prior written permission of the University of Pretoria.Lead poisoning in childrenAir pollution researchUCTDDissertationhttp://upetd.up.ac.za/thesis/available/etd-09192005-121510/