RT Journal Article SR Electronic T1 Osteoid osteoma of calcar of femur in child: prophylactic fixation using PHILOS and excision JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e235073 DO 10.1136/bcr-2020-235073 VO 13 IS 6 A1 Mantu Jain A1 Sunil Doki A1 Siddharth Pradhan A1 Sashikanta Panda YR 2020 UL http://casereports.bmj.com/content/13/6/e235073.abstract AB