TY  - RPRT
TI  - Letter: Epidemiological vocabulary.
AU  - H L Eckert
PY  - 1974
DO  - 10.7326/0003-4819-81-5-713_1
UR  - https://pubmed.ncbi.nlm.nih.gov/4419921/
ID  - 4419921
ER  -