TY  - RPRT
TI  - Avoiding double-counting in pharmacoeconomic studies.
AU  - M Johannesson
PY  - 1997
DO  - 10.2165/00019053-199711050-00001
UR  - https://pubmed.ncbi.nlm.nih.gov/10168027/
ID  - 10168027
ER  -