Ovais NAZIR. Study about POCUS: A Novel Method for Screening and Follow up of Foreign Bodies of Upper Esophagus- Case Series and Review of Literature. New Horizons in Medicine and Medical Research Vol. 4, [S. l.], p. 78–82, 2022. DOI: 10.9734/bpi/nhmmr/v4/1997B. Disponível em: https://stm.bookpi.org/NHMMR-V4/article/view/6372. Acesso em: 4 jun. 2026.