@article{doi:10.1001/jama.2011.383, author = {Morris M and Tangney CC}, title = {A potential design flaw of randomized trials of vitamin supplements}, journal = {JAMA}, volume = {305}, number = {13}, pages = {1348-1349}, year = {2011}, doi = {10.1001/jama.2011.383}, URL = { + http://dx.doi.org/10.1001/jama.2011.383}, eprint = {/data/Journals/JAMA/20323/jco15033_1348_1349.pdf} }