BibTex format
@article{Sharpe:2003:10.1159/000069736,
author = {Sharpe, L and Ryan, B and Allard, S and Sensky, T},
doi = {10.1159/000069736},
journal = {PSYCHOTHERAPY AND PSYCHOSOMATICS},
pages = {128--131},
title = {Testing for the integrity of blinding in clinical trials: How valid are forced choice paradigms?},
url = {http://dx.doi.org/10.1159/000069736},
volume = {72},
year = {2003}
}