@misc{indiciae105ab75281ff, title = {Return rates in general practitioner surveys.}, author = {H Winefield and I Steven and N Graham}, year = {1990}, doi = {10.5694/j.1326-5377.1990.tb125439.x}, url = {https://pubmed.ncbi.nlm.nih.gov/2377108/}, note = {Source identifier: 2377108} }