Respiratory Therapy Department, "Protocol for Passy-Muir™ Tracheostomy Speaking Valve." Lincoln, Nebraska, 2008. (PDF Available)
Respiratory Therapy Department, "Passy-Muir™ Valve." Indianapolis, Indiana. (PDF Available)
Competency Resource Manual, "Passy-Muir™ Speaking Valves." Carmel, Indiana. (PDF Available)
Nursing Department, "Protocol for Passy-Muir Tracheostomy Speaking Valve" Sarasota, Florida, 2006. (PDF Available)
"Midwest P&P." (PDF Available)