Hypertension, the Swedish Patient Register, and Selection Bias.
Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.
Mattias
M
Brunström
D015992:Body Mass Index; D006801:Humans; D006973:Hypertension; D010809:Physical Fitness; D012042:Registries; D015983:Selection Bias; D013548:Sweden