The costs of functional gastrointestinal disorders and related signs and symptoms in infants: a systematic literature review and cost calculation for England
James Mahon, Carlos Lifschitz, Thomas Ludwig, Nikhil Thapar, Julie Glanville, Mohamad Miqdady, Miguel Saps, Seng Hock Quak, Irene Lenoir Wijnkoop, Mary Edwards, Hannah Wood, Hania Szajewska
BMJ Open Nov 2017, 7 (11) e015594; DOI: 10.1136/bmjopen-2016-015594