TY  - RPRT
TI  - Patent laws: could changes enhance drug development?
AU  - J A Mattes
PY  - 1997
DO  - 10.1001/archpsyc.1997.01830220100015
UR  - https://pubmed.ncbi.nlm.nih.gov/9337779/
ID  - 9337779
ER  -