TY  - RPRT
TI  - A sample size program for "proving the null hypothesis".
AU  - C Heiselbetz
AU  - L Edler
PY  - 1987
DO  - 10.1016/0197-2456(87)90024-9
UR  - https://pubmed.ncbi.nlm.nih.gov/3568695/
ID  - 3568695
ER  -