APA

Parkinson F., Stephenson B. M., . (20140610). Snapshot quiz 14/7. 77-year-old man with chronic obstructive pulmonary disease presented with an uncomfortable bulge in his upper abdomen. Costochondral hernia after repeated violetnt coughing. : The British journal of surgery.

Chicago

Parkinson F, Stephenson B M, . 20140610. Snapshot quiz 14/7. 77-year-old man with chronic obstructive pulmonary disease presented with an uncomfortable bulge in his upper abdomen. Costochondral hernia after repeated violetnt coughing. : The British journal of surgery.

Harvard

Parkinson F., Stephenson B. M., . (20140610). Snapshot quiz 14/7. 77-year-old man with chronic obstructive pulmonary disease presented with an uncomfortable bulge in his upper abdomen. Costochondral hernia after repeated violetnt coughing. : The British journal of surgery.

MLA

Parkinson F, Stephenson B M, . Snapshot quiz 14/7. 77-year-old man with chronic obstructive pulmonary disease presented with an uncomfortable bulge in his upper abdomen. Costochondral hernia after repeated violetnt coughing. : The British journal of surgery. 20140610.