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Orthopnea, in heart failure
Orbital apex mass
Orbital decompression surgery, for Graves orbitopathy
Organic disorders
Organophosphate poisoning
Orgasm dysfunction
Ormond disease
Ornithosis
Orofacial dyskinesia
Oromandibular (orofacial) dystonia
Oropharyngeal squamous cell carcinoma
Orthostatic intolerance
Ortho Tri-Cyclen. See Norgestimate/ethinyl estradiol
Osborne waves
Osler disease
Osler-Rendu-Weber syndrome
Osmotic demyelinating syndrome
Osmotic fragility test
Osseous hip pain
Osteoblastoma
Displaying items 151 - 180 of 253