共 16 条
[2]
Computing R. F. F. S., 2008, R STAT SOFTW V2 15 0
[6]
Attrition and retention of ethnically diverse subjects in a multicenter randomized controlled research trial
[J].
CONTROLLED CLINICAL TRIALS,
2001, 22 (06)
:236S-243S
[8]
Effect of Telecare Management on Pain and Depression in Patients With Cancer A Randomized Trial
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2010, 304 (02)
:163-171