@misc{indiciaed215b0f56309, title = {Improving response rates among doctors: randomised trial.}, author = {M Sloan and N Kreiger and B James}, year = {1997}, doi = {10.1136/bmj.315.7116.1136}, url = {https://pubmed.ncbi.nlm.nih.gov/9374887/}, note = {Source identifier: 9374887} }