TY  - RPRT
TI  - Statistics at square one. III--Standard deviation.
AU  - T D Swinscow
PY  - 1976
DO  - 10.1136/bmj.1.6022.1393
UR  - https://pubmed.ncbi.nlm.nih.gov/1276702/
ID  - 1276702
ER  -