The 'Doughnut Sign' revisited.
Malakar
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S
Duncan Gleneagles Clinic and Research Centre, Calcutta, India.
Dhar
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D005385:Fingers; D006801:Humans; D009230:Myxedema / Q000473:pathology*; D012595:Scleroderma, Systemic / Q000473:pathology*; D012867:Skin / Q000473:pathology*