@misc{indiciaea92ec1969550, title = {Practice research. Screening in general practice: implications for cost and extra work.}, author = {J F Grace}, year = {1983}, doi = {10.1136/bmj.287.6392.589}, url = {https://pubmed.ncbi.nlm.nih.gov/6411239/}, note = {Source identifier: 6411239} }