Report summary

For University of California, San Francisco Department of Orthopaedic Surgery in 2021-2023, the graph shows 46 visible PIs and 103 internal PI collaborations. The dominant subject mix is Medicine as the leading field (61% of slots across 43 PIs; 43 labels), Surgery as the leading subfield (23% of slots across 27 PIs; 27 labels), and Shoulder Injury and Treatment as the leading topic (7% of slots across 10 PIs; 10 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Alan L. Zhang (20.2 weighted works; Shoulder Injury and Treatment, Hip disorders and treatments). The most visible ties are Alan L. Zhang and Drew A. Lansdown (38 shared works, weight 17.3). The standout breakdown groups are group 1 with 9 PIs, 13 internal connections, weight 69.5, around Surgery, Orthopedics and Sports Medicine, Epidemiology, led by Alan L. Zhang, Drew A. Lansdown, Nirav K. Pandya; group 2 with 9 PIs, 12 internal connections, weight 25.2, around Surgery, Epidemiology, Public Health, Environmental and Occupational Health, led by Theodore Miclau, Meir Marmor, David Shearer.