Association between tuberculosis, diabetes and 25 hydroxyvitamin D in Tanzania: a longitudinal case control study (Publications)
BACKGROUND: Vitamin D level is inversely associated with tuberculosis (TB) and diabetes (DM). Vitamin D could be a mediator in the association between TB and DM. We examined the associations between v
Disease, activity and schoolchildren's health (DASH) in Port Elizabeth, South Africa: a study protocol (Publications)
BACKGROUND: An in-depth epidemiological investigation on intestinal parasite infections in an impoverished area of Port Elizabeth, South Africa provides a unique opportunity for research on its impact
Menopause is associated with accelerated lung function decline (Publications)
RATIONALE: Menopause is associated with changes in sex hormones, which affect immunity, inflammation, and osteoporosis and may impair lung function. Lung function decline has not previously been inves
<em>Opisthorchis felineus</em> infection and cholangiocarcinoma in the Russian Federation: a review of medical statistics (Publications)
Opisthorchis felineus (O. felineus) occurs in Western Siberia and many other parts of the Russian Federation (RF). The true extent of its distribution is not known. Chronic infection may lead to sever
Passive smoking exposure among adults and the dynamics of respiratory symptoms in a prospective multicenter cohort study (Publications)
OBJECTIVES: The aim of this study was to measure the effects of past exposure to environmental tobacco smoke on the day-to-day dynamics of four respiratory-symptom classes in a diary study including a
Étude du biais dû aux non-répondants dans une étude épidemiologique (SAPALDIA) (Publications)
Within the Swiss Study on Air Pollution and Lung Diseases in Adults (SAPALDIA) 16267 adults aged 18 to 60 years from 8 different locations in Switzerland were randomly selected for answering a questio