Authors: KRISTAL AR WHITE E DAVIS JR CORYCELL G RAGHUNATHAN T KINNE S LIN TK

Citation: Ar. Kristal et al., EFFECTS OF ENHANCED CALLING EFFORTS ON RESPONSE RATES, ESTIMATES OF HEALTH BEHAVIOR, AND COSTS IN A TELEPHONE HEALTH SURVEY USING RANDOM-DIGIT DIALING, Public health reports, 108(3), 1993, pp. 372-379