@article{doi:10.1001/jamainternmed.2013.1638,
author = {Selvaraj S and Prasad V},
title = {Characteristics of cluster randomized trials: Are they living up to the randomized trial?},
journal = {JAMA Internal Medicine},
volume = {173},
number = {4},
pages = {313-315},
year = {2013},
doi = {10.1001/jamainternmed.2013.1638},
URL = { + http://dx.doi.org/10.1001/jamainternmed.2013.1638},
eprint = {/data/Journals/INTEMED/926460/ilt120023_313_315.pdf}
}