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A 45-year-old woman was admitted due to increasing dyspnoea, chest oppression, and leg oedema in December 2015. She had a 5-year history of ulcerative colitis (UC) and had been taking the herbal medicine natural indigo (NI) at 2 g/day for 6 months. No abnormalities had been detected at a medical check-up …
Nishio et al. (Wed,) studied this question.