Designing research survey design—Part two

Journal of PeriAnesthesia Nursing - Tập 12 - Trang 358-362 - 1997
Maureen Giuffre1
1Salisbury, MD., USA

Tài liệu tham khảo

Colditz, 1993, Family history, age, and risk of breast cancer. Prospective data from the nurses' health study, JAMA, 270, 338, 10.1001/jama.1993.03510030062035