Adeniyi, Oluwafunmilayo Funke Recurrent abdominal pain and upper gastrointestinal endoscopy findings in children and adolescents presenting at the Lagos University Teaching Hospital. [electronic resource] - PloS one 2019 - e0216394 p. digital Publication Type: Journal Article ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0216394 doi Subjects--Topical Terms: Abdominal Pain--diagnosisAdolescentChildChild, PreschoolDuodenitis--diagnosisDyspepsia--diagnosisEndoscopy, GastrointestinalFemaleHernia, Hiatal--diagnosisHospitals, TeachingHumansMaleNigeria--epidemiologyProspective StudiesStomach Diseases--diagnosis