@article{doi:10.1001/jama.2012.56907, author = {Trinh Q and Sun M}, title = {STatistical analysis plans in observational research}, journal = {JAMA}, volume = {309}, number = {1}, pages = {32}, year = {2013}, doi = {10.1001/jama.2012.56907}, URL = { + http://dx.doi.org/10.1001/jama.2012.56907}, eprint = {/data/Journals/JAMA/926163/jlt120148_32_32.pdf} }