@misc{indiciaeed313f657593, title = {Dr. Sheedy's article on PALs.}, author = {Robert Shapiro}, year = {2004}, doi = {10.1016/s1529-1839(04)70061-5}, url = {https://pubmed.ncbi.nlm.nih.gov/15141817/}, note = {Source identifier: 15141817} }