Report summary

For University of Pennsylvania Department of Medicine Perelman in 2018-2020, the graph shows 113 visible PIs and 244 internal PI collaborations. The dominant subject mix is Medicine as the leading field (49% of slots across 99 PIs; 99 labels), Pulmonary and Respiratory Medicine as the leading subfield (6% of slots across 18 PIs; 18 labels), and Palliative Care and End-of-Life Issues as the leading topic (2% of slots across 6 PIs; 6 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are K. Rajender Reddy (25.9 weighted works; Liver Disease Diagnosis and Treatment, Hepatitis C virus research); Joshua F. Baker (25.4 weighted works; Rheumatoid Arthritis Research and Therapies, COVID-19 and Mental Health). The most visible ties are Gary E. Weissman and Scott D. Halpern (16 shared works, weight 12.4); Shana D. Stites and Jason Karlawish (13 shared works, weight 11.7). The standout breakdown groups are group 1 with 9 PIs, 11 internal connections, weight 42.8, around General Health Professions, Economics and Econometrics, Public Health, Environmental and Occupational Health, led by Ravi B. Parikh, Mitesh S. Patel, Gary E. Weissman.