TY - GEN AU - De Saram, P. O. AU - Toner, M. A. AU - Wijesinghe, T. TI - Impact of self-reporting voice symptoms on occupational and social life among stage drama actors and their knowledge on vocal hygiene techniques habits and treatment options PY - 2013/// CY - Kelaniya PB - University of Kelaniya KW - Student Research Reports ER -