Madonna Rehabilitation Hospital, Respiratory Therapy Department, "Protocol for Passy-Muir™ Tracheostomy Speaking Valve." Lincoln, Nebraska, 2008. (PDF Available)
St. Vincent Seton Specialty Hospital, Respiratory Therapy Department, "Passy-Muir™ Valve." Indianapolis, Indiana. (PDF Available)
St. Elizabeth Ann Seton, Competency Resource Manual, "Passy-Muir™ Speaking Valves." Carmel, Indiana. (PDF Available)
Sarasota Memorial Hospital, Nursing Department, "Protocol for Passy-Muir Tracheostomy Speaking Valve" Sarasota, Florida, 2006. (PDF Available)
"Midwest P&P." (PDF Available)