title: To tip or not to tip?
authors.affiliation: Royal Brompton Hospital, London.
authors.forename: G
authors.initials: G
authors.lastname: Phillips
mesh_terms: D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000150:complications / Q000534:rehabilitation*; D015916:Drainage, Postural / Q000009:adverse effects / Q000379:methods*; D005260:Female; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans; D010290:Parents / Q000193:education*; D011340:Problem Solving