Pen needle design influences ease of insertion, pain, and skin trauma in subjects with type 2 diabetes
Kezia A Præstmark, Morten L Jensen, Nils B Madsen, Jonas Kildegaard, Bente M Stallknecht
BMJ Open Diabetes Research and Care Dec 2016, 4 (1) e000266; DOI: 10.1136/bmjdrc-2016-000266