TY  - RPRT
TI  - How many do I need? Basic principles of sample size estimation.
AU  - Declan Devane
AU  - Cecily M Begley
AU  - Mike Clarke
PY  - 2004
DO  - 10.1111/j.1365-2648.2004.03093.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15238124/
ID  - 15238124
ER  -