Demo Dose® Nitr Ointment 2% 30 gm by Nasco Healthcare $10.95 PN01199 Demo Dose® Nitr Ointment 2% 30 gm / PN01199 / Cart Title Demo Dose® Nitr Ointment 2% 30 gm Product ID PN01199 CheckoutType Cart Add to cart Teach students the indication and proper measurement and application of nitroglycerin ointment. Pack of 50 application papers included. For instructional use only. Not for human or animal use.