@article{giraudeau:inserm-00700524, TITLE = {{Preventing bias in cluster randomised trials.}}, AUTHOR = {Giraudeau, Bruno and Ravaud, Philippe}, URL = {https://inserm.hal.science/inserm-00700524}, NOTE = {Essay}, JOURNAL = {{PLoS Medicine}}, PUBLISHER = {{Public Library of Science}}, VOLUME = {6}, NUMBER = {5}, PAGES = {e1000065}, YEAR = {2009}, MONTH = May, DOI = {10.1371/journal.pmed.1000065}, PDF = {https://inserm.hal.science/inserm-00700524/file/journal.pmed.1000065.pdf}, HAL_ID = {inserm-00700524}, HAL_VERSION = {v1}, }