| Dr. Felix Ratjen |  | |||||
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							Dr. Felix Ratjen, Professor of Pediatrics, University of Toronto Division Chief, Respiratory Medicine H.E. Seller's Chair in Cystic Fibrosis Dr. Felix Ratjen is a pediatric lung specialist and Director of the Pediatric HHT Clinic at Hospital for Sick Children Click here for HHT clinic website for paediatric patients | ||||||
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