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Rabies [Disease]

Radial nerve dysfunction [Disease]

Radiation enteritis [Disease]

Ramsay Hunt syndrome [Disease]

Rat-bite fever [Disease]

Raynaud's phenomenon [Disease]

Re

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Reactive arthritis [Disease]

Reactive attachment disorder of infancy or early childhood [Disease]

Rectal prolapse [Disease]

Reflux nephropathy [Disease]

Reifenstein syndrome [Disease]

Relapsing fever [Disease]

Renal and urological disorders [Disease]

Renal cell carcinoma [Disease]

Renal papillary necrosis [Disease]

Renal vein thrombosis [Disease]

Renovascular hypertension [Disease]

Repeated nightmares [Disease]

Respiratory acidosis [Disease]

Respiratory alkalosis [Disease]

Respiratory syncytial virus (RSV) [Disease]

Restless leg syndrome [Disease]

Restrictive cardiomyopathy [Disease]

Retinal artery occlusion [Disease]

Retinal detachment [Disease]

Retinal vein occlusion [Disease]

Retinitis pigmentosa [Disease]

Retinoblastoma [Disease]

Retinopathy of prematurity [Disease]

Retrocalcaneal bursitis [Disease]

Retrograde ejaculation [Disease]

Retroperitoneal fibrosis [Disease]

Retroperitoneal inflammation [Disease]

Retropharyngeal abscess [Disease]

Retrosternal thyroid [Disease]

Retroversion of the uterus [Disease]

Rett syndrome [Disease]

Reye syndrome [Disease]

Rh

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Rh incompatibility [Disease]

Rhabdomyolysis [Disease]

Rhabdomyosarcoma [Disease]

Rheumatic fever [Disease]

Rheumatoid arthritis [Disease]

Rheumatoid lung disease [Disease]

Rheumatoid-collagen disease [Disease]

Rhinophyma [Disease]

Ri

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Rickets [Disease]

Rickettsial pox [Disease]

Riley-Day syndrome [Disease]

Ringworm [Disease]

Ro

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Rocky Mountain spotted fever [Disease]

Rosacea [Disease]

Roseola [Disease]

Rotator cuff tendinitis [Disease]

Ru

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Rubella [Disease]

Rubinstein-Taybi syndrome [Disease]

Rumination disorder [Disease]

Ruptured eardrum [Disease]

Russell-Silver syndrome [Disease]