@misc{indiciae3239e68864a6, title = {Invitation to a population-based cohort study: differences between subjects recruited using various strategies.}, author = {Jonas Manjer and Sölve Elmståhl and Lars Janzon and Göran Berglund}, year = {2002}, doi = {10.1177/14034948020300020401}, url = {https://pubmed.ncbi.nlm.nih.gov/12028859/}, note = {Source identifier: 12028859} }