1. Don't forget deaf people;Irwin;BMJ,1998
2. The silent health care crisis: ethical reflections of health care for deaf and hard of hearing persons;Zazove;Fam Med,1994
3. National survey on telephone services products. The views of deaf and hard of hearing people;Bowe;Am Ann Deaf,1991
4. Manual de soporte vital avanzado;Ruano,1999
5. SERVQUAL: a multiple item scale for measuring consumer perceptions of Service Quality;Parasuraman;J Retailing,1988