TY  - RPRT
TI  - Doctors afield. William Worrall MAYO.
AU  - E E HARNAGEL
PY  - 1961
DO  - 10.1056/nejm196108032650509
UR  - https://pubmed.ncbi.nlm.nih.gov/13711652/
ID  - 13711652
ER  -