@misc{indiciaee6b6f083fcff, title = {A prospective multipractice study based on antecedent data. Reduced selection and behaviour bias.}, author = {H T Sørensen and J F Møller-Petersen and P Felding and C Andreasen and J O Nielsen}, year = {1991}, url = {https://pubmed.ncbi.nlm.nih.gov/1802632/}, note = {Source identifier: 1802632} }