- Risk Calculator
- RiskRadar
- Risque d'acidose
- Ritemed
- Ritterdoc’s
- Rituality: Meditation
- River Medical, AZ – AMR
- Riverside OMS
- Rivista Igiene Dentale
- RIVM LCI-richtlijnen
- RIWO AR
- RK360 Medical & Health Record
- RLEMH
- RM Rx Resource for Midwives
- RMC - FHRM
- RMC Smart Clinic
- RMHBC House HUB
- RMHC Central New York
- RMHC of the Southwest
- Roberts and Hedges 6th Edition
- Robin Healthcare
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- Rob's Pharmacy LaSalle
- Robust Health
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- Rock & Troll: roll the ball
- Rocket Rounding
- RocketDoc
- Roemer- und Pelizaeus-Museum
- Rofim
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- Rogers Drug
- ROH Burn Consult