Randomized Trial of Leaving Messages on Telephone Answering Machines for Control Recruitment in an Epidemiologic Study
Koepsell, T. D., McGuire, V., Longstreth, W. T., Nelson, L. M., Belle, G. v.Volume:
144
Language:
english
Journal:
American Journal of Epidemiology
DOI:
10.1093/oxfordjournals.aje.a008983
Date:
October, 1996
File:
PDF, 268 KB
english, 1996