Negmy, E. H. E., E. I. E. Hadidi, D. M. A. M. Osman, and G. I. Saleh,
"Effect of oromotor exercises on energy and duration of anterior voiceless non emphatic consonants in spastic dysarthria",
The Egyptian Journal of Otolaryngology, vol. (23) 1, issue January, pp. 11-22, 2006.
Farid, A. S., E. Y. Sabry, D. M. Osman, and A. Ahmed,
"Effect of steroidal treatment in asthma on voice",
The Medical Journal of Cairo University, vol. 74 (3), issue September, pp. 127-137, 2006.