@misc{indiciaec68fe05f8940, title = {Utilization of PD modalities: evolution.}, author = {Vijaya Venkataraman and Karl D Nolph}, doi = {10.1046/j.1525-139x.2002.00095.x}, url = {https://pubmed.ncbi.nlm.nih.gov/12437529/}, note = {Source identifier: 12437529} }