共 26 条
[4]
Improving recruitment and retention for an online randomized controlled trial: experience from the Youthnet study
[J].
AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV,
2008, 20 (08)
:887-893
[5]
Recruitment and retention of an online sample for an HIV prevention intervention targeting men who have sex with men: the Smart Sex Quest Project
[J].
AIDS CARE-PSYCHOLOGICAL AND SOCIO-MEDICAL ASPECTS OF AIDS/HIV,
2004, 16 (08)
:931-943
[6]
Chu M., 2008, Internet Reference Services Quarterly, V13, P69, DOI [DOI 10.1300/J136V13N01-04, 10.1300/J136v13n01-04, 10.1300/J136v13n01_04]