RT Journal Article SR Electronic T1 Occipital spur: understanding a normal yet symptomatic variant from orthodontic diagnostic lateral cephalogram JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr-2017-220506 DO 10.1136/bcr-2017-220506 VO 2017 A1 Varghese, Eby A1 Samson, Renu Sarah A1 Kumbargere, Sumanth Nagraj A1 Pothen, Minoo YR 2017 UL http://casereports.bmj.com/content/2017/bcr-2017-220506.abstract AB