There are multiple definitions:

1. Regionaal Patiënten Cliënten Platform(Dutch)

   • Patient-centered (interest group)

2. retropatellar chondropathy(English)

   • PFPS, CP
   • Pain, Musculoskeletal system
   • https://openacc….pdf?sequence=9

3. radial peripapillary capillary plexus(English)

   • ocular arteriolar vasospasm seems to be more pronounced in patients with secondary Raynaud’s phenomenon
   • RP, SCP
   • Ophthalmology
   • https://doi.org…48.2022.2026411