共 50 条
- [41] Returning mailed questionnaires: Patterns and variability [J]. GERONTOLOGIST, 2002, 42 : 348 - 348
- [42] Mailed questionnaires: quality matters - Reply [J]. JOURNAL OF PUBLIC HEALTH, 2004, 26 (02) : 214 - 215
- [46] A randomized trial of mailed questionnaires versus telephone interviews: Response patterns in a survey [J]. BMC Medical Research Methodology, 7
- [48] Telephone and mailed survey methodologies and response rates. [J]. JOURNAL OF DENTAL RESEARCH, 1998, 77 (05) : 1125 - 1125