Raymond, E. G., Chen, P. L., Pierre-Louis, B., Luoto, J., Barnhart, K. T., Bradley, L., . . . Blackwell, R. (2004). Participant characteristics associated with withdrawal from a large randomized trial of spermicide effectiveness. BioMed Central.
Stile di citazione ChicagoRaymond, Elizabeth G., et al. Participant Characteristics Associated With Withdrawal From a Large Randomized Trial of Spermicide Effectiveness. BioMed Central, 2004.
Citazione MLARaymond, Elizabeth G., et al. Participant Characteristics Associated With Withdrawal From a Large Randomized Trial of Spermicide Effectiveness. BioMed Central, 2004.
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