TY  - RPRT
TI  - Letter: Incomprehensible explanations.
AU  - J Couper-Smartt
PY  - 1973
DO  - 10.1136/bmj.4.5889.425-c
UR  - https://pubmed.ncbi.nlm.nih.gov/4749800/
ID  - 4749800
ER  -