1. That golden voice: is it talent or training?;Hollien,1984
2. Respiratory patterns in singers: a proposed research design;Allen,1977
3. Physiological differentiation between singers and non-singers;Brown,1978
4. The effects of continuous phonation on 133 xenon-inhalation air curves (of the kind used in deriving regional cerebral blood flow);Formby;Brain Lang,1987
5. Lingual pressure variation during singing by trained and untrained individuals;McGlone,1976