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Global surveillance, prevention and control of chronic respiratory diseases : a comprehensive approach / Jean Bousquet and Nikolai Khaltaev editors. 1.Respiratory tract diseases-epidemiology. 2 Respiratory tract diseases-etiology. 3.Pulmonary disease, Chronic obstructive-epidemiology. 4. Pulmonary disease, Chronic obstructive-etiology 5.Risk factors.(More)
OBJECTIVE The purpose of this study was to obtain normative nasalance scores for adult subjects speaking the Flemish language. Additional objectives of the study were to determine if speaker sex played a role in differences in nasalance scores and if significantly different nasalance scores existed for Flemish compared with other languages or dialects. (More)
The allergenic content of the atmosphere varies according to climate, geography and vegetation. Data on the presence and prevalence of allergenic airborne pollens, obtained from both aerobiological studies and allergological investigations, make it possible to design pollen calendars with the approximate flowering period of the plants in the sampling area.(More)
Chronic rhinitis patients often suffer from unrefreshing sleep and snoring, related to increased nasal resistance to airflow. Previous trials based on subjective assessment of snoring have demonstrated beneficial effects of Breathe Right (BR), a noninvasive external nasal dilator. Polysomnography (PSG) was applied to objectively assess the effects of BR on(More)
The main purpose of the present acoustical study was to delineate further the changes in nasal resonance in childhood and young adulthood. An additional objective was to collect reference nasal resonance scores for normal Flemish-speaking children. Scores were recorded with a Nasometer while 33 children produced sounds and read three standard passages. We(More)
This article reviews published research on the physiology of histamine H3-receptors. The function of this inhibitory autoreceptor, its localisation and influence on histaminergic neurones as well as histamine-controlled processes are presented together with the role of H3-receptors in the vestibular system. In addition to a summary of the properties of the(More)
To improve ecological validity, perceptual and instrumental assessment of disordered voice, including overall voice quality, should ideally sample both sustained vowels and continuous speech. This investigation assessed the utility of combining both voice contexts for the purpose of auditory-perceptual ratings as well as acoustic measurement of overall(More)
Molecular biological studies and electrophysiological data have demonstrated that acetylcholine (ACh) is the principal cochlear and vestibular efferent neurotransmitter among mammalians. However, the functional roles of ACh in type II vestibular hair cells (VHCs II) among mammalians are still unclear, with the exception of the well-known alpha9-containing(More)
BACKGROUND/AIMS Frequency and amplitude perturbations are inherent in voice acoustic signals. The assessment of voice perturbation is influenced by several factors, including the type of recording equipment used and the measurement extraction algorithm applied. In the present study, perturbation measures provided by two computer systems (a purpose-built(More)
Over the past several decades, many acoustic markers have been proposed to be sensitive to and measure overall voice quality. This meta-analysis presents a retrospective appraisal of scientific reports, which evaluated the relation between perceived overall voice quality and several acoustic-phonetic correlates. Twenty-five studies met the inclusion(More)