TY  - RPRT
TI  - Readership survey.
AU  - R J Genco
AU  - R Shafer
PY  - 1989
DO  - 10.1902/jop.1989.60.10.591
UR  - https://pubmed.ncbi.nlm.nih.gov/2810012/
ID  - 2810012
ER  -