TY  - RPRT
TI  - Article provides excellent perspective.
AU  - J W Sharp
AU  - S Zettler
PY  - 1992
DO  - 10.1093/hsw/17.3.238-a
UR  - https://pubmed.ncbi.nlm.nih.gov/1482489/
ID  - 1482489
ER  -