Definition: (n.) An officer or servant who has the care of the door of a court, hall, chamber, or the like; hence, an officer whose business it is to introduce strangers, or to walk before a person of rank. Also, one who escorts persons to seats in a church, theater, etc. ...
1 Boughman JA, Vernon M, Shaver KA: Usher syndrome: definition and estimate of prevalence from two high-risk populations. J Chronic Dis 1983; 36: 595–603. 2 Rosenberg T, Haim M, Hauch AM, Parving A: The prevalence of Usher syndrome and other retinal dystrophy-hearing impairment ...
National Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan Noreen Latief & Shaheen N Khan Division of Pediatric Otolaryngology Head & Neck Surgery, Cincinnati Children’s Hospital Research Foundation, Cincinnati, OH, USA Saima Riazuddin & Zubair M Ahmed Department ...
Usher syndrome: definition and estimate of prevalence from two high-risk populations. J Chronic Dis. 1983;36:595–603. 2. Rosenberg T, Haim M, Hauch AM, Parving A. The prevalence of Usher syndrome and other retinal dystrophy-hearing impairment associations. Clin Genet. 1997;51:314–321. 3...