TY  - RPRT
TI  - Retrolective, comparative, epidemiological cohort study with parallel groups design for evaluation of efficacy and safety of drugs with "well-established use".
AU  - P R Bock
AU  - W E Friedel
AU  - J Hanisch
AU  - M Karasmann
AU  - B Schneider
PY  - 2004
DO  - 10.1159/000080572
UR  - https://pubmed.ncbi.nlm.nih.gov/15353899/
ID  - 15353899
ER  -