متلازمة التعب المزمن
Purce has also been invited by several hospitals and schools to explore how these voice techniques might be of positive help to women in childbirth; at the Maudsley Hospital in London, with people suffering from Alzheimer's; at the Royal Free Hospital, London, with people suffering from mental disabilities; at Hawthorn School, with children suffering from physical disabilities; and with people suffering from Chronic fatigue syndrome.