Travellers on a hidden river.
Heath
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University of Liverpool, UK.
D002309:Cardiology / Q000266:history*; D002319:Cardiovascular System; D049673:History, 20th Century; D006801:Humans; D006976:Hypertension, Pulmonary / Q000266:history*; D006978:Hypertension, Renovascular / Q000266:history*; D006113:United Kingdom; D014652:Vascular Diseases / Q000266:history*