RT Journal Article SR Electronic T1 Nasogastric feeding tubes – algorithm for correct placement JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 527 OP 528 DO 10.7861/clinmedicine.13-5-527 VO 13 IS 5 A1 Indrajeet Das A1 Daniel Lin A1 Seethalakshmi Muthalagappan A1 Joe Colby A1 Elaine Trautner A1 Nicola Wyre A1 Richard Wellings A1 Chuka U Nwokolo A1 Ramesh P Arasaradnam YR 2013 UL http://www.rcpjournals.org/content/13/5/527.abstract