LUIS ANGEL PERULA DE TORRES2026-01-292026-01-29202310.3389/fmed.2023.12299722-s2.0-85169317231https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/36856Medicine (all)Validity and reliability of the Berlin questionnaire for the detection of moderate or severe obstructive sleep apnea in patients aged 40 years or older detected from primary careresearch article