TY  - RPRT
TI  - Knowledge, preference, or both: it's hard to tell without the data.
AU  - E Goodman
PY  - 1994
DO  - 10.2105/ajph.84.5.867
UR  - https://pubmed.ncbi.nlm.nih.gov/8179069/
ID  - 8179069
ER  -