@misc{indiciae5c629c3fa5e7, title = {Patent laws: could changes enhance drug development?}, author = {J A Mattes}, year = {1997}, doi = {10.1001/archpsyc.1997.01830220100015}, url = {https://pubmed.ncbi.nlm.nih.gov/9337779/}, note = {Source identifier: 9337779} }