@misc{indiciaea47254088172, title = {The General Practice Morbidity Database Project Wales--a methodology for primary care data extraction.}, author = {J Evans and C Rogers and S Kaul}, doi = {10.3109/14639239709010891}, url = {https://pubmed.ncbi.nlm.nih.gov/9304564/}, note = {Source identifier: 9304564} }