TY - JOUR KW - Canada KW - Child KW - Communicable Diseases KW - Emigration and Immigration KW - Humans KW - leprosy KW - Parasitic Diseases KW - Tropical Medicine KW - Tuberculosis AU - Harding le Riche W AU - Lenczner M M BT - Canadian Medical Association journal C1 - http://www.ncbi.nlm.nih.gov/pubmed/4742924?dopt=Abstract DA - 1973 Sep 15 IS - 6 J2 - Can Med Assoc J LA - eng PY - 1973 SP - 546 EP - 8 T2 - Canadian Medical Association journal TI - New migration pattern increases incidence in Canada of diseases common in tropical areas. VL - 109 SN - 0008-4409 ER -