TY  - RPRT
TI  - Krupinski on epidemiology.
AU  - J Krupinski
PY  - 1985
DO  - 10.5694/j.1326-5377.1985.tb113431.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3974513/
ID  - 3974513
ER  -