adult female 6 human 6 male 5 Humans 4 Adult 3 South Africa 3 article 3 major clinical study 3 Acoustic Impedance Tests 2 Article 2 Ear, Middle 2 acoustic impedance 2 audiology 2 controlled study 2 middle ear 2 nonhuman 2 pure tone audiometry 2 sensitivity and specificity 2 tympanometry 2 Acoustic immittance 1 Acoustics 1 Adolescent 1 Adults 1 Anaerobic culture 1 Antibiotic 1 Audiological practice 1 Audiologists 1 Audiology 1 Audiometry, Pure-Tone 1