TY  - RPRT
TI  - Sample size graphs for "proving the null hypothesis".
AU  - W C Blackwelder
AU  - M A Chang
PY  - 1984
DO  - 10.1016/0197-2456(84)90116-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6744888/
ID  - 6744888
ER  -