1. Don't take blood from the arm where gel is applied. (27th July 2010) Authors: Nizar, Hisham; Balasanthiran, Anjali; Morganstein, Daniel; Norman, Bernard; Shotliff, Kevin Journal: BMJ Issue: Volume 341(2010) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗