Jack B. Fu, MD on X: "Headmaster cervical collars were used by 62% of Hodgkin lymphoma dropped head syndrome patients for over 6 months. Potentially useful for several hours a day." / X
Headmaster™ Collar – Large | Murrays.ie
Headmaster Collar - Headmaster Cervical Collar Head Support
Amazon.co.jp: Headmaster Cervical Collar - Large 5 inch Gray - HMC01-G : Industrial & Scientific
Headmaster Cervical Collar® - Diamond Athletic
Headmaster Cervical Collar
Headmaster Collar Neck Pad Supports Back Of The Neck & Head