TY  - RPRT
TI  - Editorial: Flexner and Engel. An important formula.
AU  - M D Bogdonoff
PY  - 1974
DO  - 10.1001/archinte.133.2.316
UR  - https://pubmed.ncbi.nlm.nih.gov/4591270/
ID  - 4591270
ER  -