1. The “Pain Pen” for Breakthrough Cancer Pain: A Promising Treatment
Roelien H. Enting, MD, Carlo Mucchiano, MD, Wendy H. Oldenmenger, MSc, Magdalena Fritzon, RN, Anna Wallen, RN, Simone Goslinga-van der Gaag, RN, Peter A.E. Sillevis Smitt, MD, Elmar Delhaas, MD 
Journal of Pain and Symptom Management 
Volume 29, Issue 2, Pages (February 2005)
DOI: /j.jpainsymman
Copyright © 2005 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1
Rescue opioid dose in relation to initial dose of fixed schedule opioids (n=54).
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2005 U.S. Cancer Pain Relief Committee Terms and Conditions