TY  - RPRT
TI  - Designing a study for success.
AU  - V F Engle
AU  - M J Graney
PY  - 2001
DO  - 10.1046/j.1532-5415.2001.49134.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11380768/
ID  - 11380768
ER  -