TY  - RPRT
TI  - A method for determining the size of internal pilot studies.
AU  - L Sandvik
AU  - J Erikssen
AU  - P Mowinckel
AU  - E A Rødland
PY  - 1996
DO  - 10.1002/(sici)1097-0258(19960730)15:14<1587::aid-sim279>3.0.co;2-f
UR  - https://pubmed.ncbi.nlm.nih.gov/8855484/
ID  - 8855484
ER  -