TY  - RPRT
TI  - Do postal questionnaires change GPs' workload and referral patterns?
AU  - C J Watkins
PY  - 1999
DO  - 10.1093/fampra/16.1.84
UR  - https://pubmed.ncbi.nlm.nih.gov/10321402/
ID  - 10321402
ER  -