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The urinary organic acids were studied in two cases of hyperprolinemia Type II, using various combinations of chromatographic, electrophoretic and mass spectrometric techniques. In both cases N-(pyrrole-2-carboxylic acid) was idenfitied as a major urinary metabolite. While there was evidence for an additional conjugate of this pyrrolic acid, no free(More)
Previous research suggests that farmers may have an increased risk of developing autoimmunity and that exposure to certain pesticides may alter immune function. Little is known, however, about the immunologic effects of farming and pesticide exposures. As part of the Prairie Ecosystem Study, associations between detection of antinuclear antibodies (ANA), an(More)
Exposure to environmentally and occupationally encountered toxicants can be associated with the development of certain autoimmune diseases and with the induction of antinuclear antibodies (ANA). Some chemicals used in the agricultural industry are known to affect immune function but their roles in the induction of autoimmunity in general, and ANA in(More)
This study presents the clinical characteristics of 8 victims of multiple sclerosis from the hamlet of Henribourg, Saskatchewan with a population of less than 75 people. A diligent victim of the disease had observed that six female classmates from the early 1940's had later developed multiple sclerosis. Two male military personnel who had also resided(More)
In regions of intensive crop production residents may be exposed to herbicides through direct contact or environmental sources. The environmental herbicide exposures of rural populations and resultant potential health effects are not well understood. Epidemiologic studies or herbicides have focused on occupational exposures using, primarily, self-reported(More)
This cross-sectional survey was conducted as Phase I of the Prairie Ecosystem Study (PECOS): Environmental Pesticide Exposure and Human Health. In November of 1995, community volunteers delivered a self-administered household questionnaire to 1185 rural households in southern Saskatchewan, Canada. The survey provided a broad description of the general(More)
The distribution of the ABO, A(1), D, E, C, and Kell blood types in relation to selected psychiatric diagnoses was studied in over 700 consecutive admissions to a provincial mental hospital. Predicted relationships based upon recent work in other laboratories were supported by consistent trends approaching statistical significance. In addition, blood group(More)