TY  - RPRT
TI  - Purdue stepped approach model: application to pharmacy practice.
AU  - D R Black
AU  - T A Loughead
AU  - R S Hadsall
PY  - 1991
DO  - 10.1177/106002809102500211
UR  - https://pubmed.ncbi.nlm.nih.gov/2058188/
ID  - 2058188
ER  -