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The physician’s three roads are the trunks of the second tree. Observation covers the tongue and, above all, the urine, examined for colour, steam, odour, bubbles and sediment. Touch is the pulse, read at both wrists with three fingers, each finger’s two positions reporting on a different organ. Questioning asks about the history, the diet, the pain and its character. From the three together comes the diagnosis.
The pages here will teach the pulse positions, the urine examination and the interview.