Authors:
Suarez-Almazor, ME
Belseck, E
Homik, J
Dorgan, M
Ramos-Remus, C
Citation: Me. Suarez-almazor et al., Identifying clinical trials in the medical literature with electronic databases: MEDLINE alone is not enough, CONTR CL TR, 21(5), 2000, pp. 476-487