Audiology and hearing health professionals in developed and developing countries (2002), Lyn et al. (1998), and Swart et al. (1995), impacted cerumen is one of the most common ear diseases and causes of hearing loss, with prevalence rate between 7.4% and 63%. Additionally, otoscopy does not require a great deal of expertise beyond basic training and is useful to refer a child when the tympanic membrane cannot be visualized due to occlusion of the external auditory meatus by cerumen. Pure-tone audiometry screening, in which there is typically no attempt to find threshold, has been found to accurately assess hearing status in children six years and older, when trained health workers
Ravipops (The Substance) Ravipops (The Substance) Ravipops (The Substance) is a studio album by American rapper C-Rayz Walz. It was released on Definitive Jux in 2003. David Jeffries of AllMusic gave the album 3 stars out of 5, saying: "There's a new producer for practically every track, but the album flows well enough, keeping things more traditional than expected for a Definitive Jux release, and the freestyling ranges from biting to abstract." Meanwhile, Rollie Pemberton of "Pitchfork" gave the album a 6.8 out of 10, saying, "regardless of his anti-platinum rhyme campaign, "Ravipops" still seems to come off like a well-written commercial hustler