Thurston, Wilfreda EnidBlundell-Gosselin, Heather Jo2005-07-292005-07-2919950612031772http://hdl.handle.net/1880/29737Bibliography: p. 120-125.xiii, 159 leaves : ill. ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.RC 965 A5 B58 1995Farmers - Health and hygiene - AlbertaAgriculture - Health aspects - AlbertaOccupational diseases - AlbertaHealth behaviormaster thesis10.11575/PRISM/18004RC 965 A5 B58 1995