Achalasia in a 15-year-old child with recurrent respiratory infections: a case report

Norin Khan, Albena I. Spasova, Yordan I. Trifonov, Svetlana A. Velizarova, Petar I. Trifonov, Edmond V. Rangelov, Nikola K. Kartulev, Zdravka Antonova, Velichka D. Oparanova, Nadezhda Tolekova, Hristo Shivachev, Natalia Gabrovska

Open source

DOI: 10.3897/folmed.68.e166816
Published: 2026-08-31
Container: Folia Medica
Publisher: Pensoft Publishers
Open access: unknown

Credibility signals

uncertain Score 64/100 under policy 1.0.0. This is a metadata assessment, not a judgment of the paper's conclusions.

Show all credibility signals

supportingDOI registered: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
supportingDOI resolves: A matching record was returned by Crossref. Source: Crossref; license: CC0 metadata
not scoredDirectory of Open Access Journals: No matching DOAJ record was present in this response. No allow-list match; this is not evidence of low credibility. Source: DOAJ; license: CC0
not scoredMEDLINE indexed: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredOpenAlex core source: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredKnown publisher allow-list: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredROR affiliation: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredRetraction Watch retraction: No retraction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch expression of concern: No expression of concern notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch correction: No correction notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredRetraction Watch reinstatement: No reinstatement notice matched this DOI in the deployed snapshot. No matching event found; coverage may be incomplete. Source: Retraction Watch; license: CC BY 4.0
not scoredOpen access status: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication license: Not checked or no result supplied; no credibility inference made. Source: No authority result supplied; license: Unknown
not scoredPublication version: A publication version was supplied but is not scored. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer
supportingMetadata completeness: All 6 scored descriptive metadata groups are present. Source: Normalized work metadata; license: Caller-provided; provenance license not supplied to scorer

Cite this work

BibTeX

@article{allodium:10.3897/folmed.68.e166816,
  title = {Achalasia in a 15-year-old child with recurrent respiratory infections: a case report},
  author = {Norin Khan and Albena I. Spasova and Yordan I. Trifonov and Svetlana A. Velizarova and Petar I. Trifonov and Edmond V. Rangelov and Nikola K. Kartulev and Zdravka Antonova and Velichka D. Oparanova and Nadezhda Tolekova and Hristo Shivachev and Natalia Gabrovska},
  year = {2026},
  journal = {Folia Medica},
  doi = {10.3897/folmed.68.e166816},
  url = {https://doi.org/10.3897/folmed.68.e166816}
}

RIS

TY  - JOUR
TI  - Achalasia in a 15-year-old child with recurrent respiratory infections: a case report
AU  - Norin Khan
AU  - Albena I. Spasova
AU  - Yordan I. Trifonov
AU  - Svetlana A. Velizarova
AU  - Petar I. Trifonov
AU  - Edmond V. Rangelov
AU  - Nikola K. Kartulev
AU  - Zdravka Antonova
AU  - Velichka D. Oparanova
AU  - Nadezhda Tolekova
AU  - Hristo Shivachev
AU  - Natalia Gabrovska
PY  - 2026
JO  - Folia Medica
DO  - 10.3897/folmed.68.e166816
UR  - https://doi.org/10.3897/folmed.68.e166816
ER  -

APA

Khan, N., Spasova, A. I., Trifonov, Y. I., Velizarova, S. A., Trifonov, P. I., Rangelov, E. V., Kartulev, N. K., Antonova, Z., Oparanova, V. D., Tolekova, N., Shivachev, H., & Gabrovska, N. (2026). Achalasia in a 15-year-old child with recurrent respiratory infections: a case report. Folia Medica. https://doi.org/10.3897/folmed.68.e166816

Source records

crossref · retrieved 2026-11-09T22:24:05.841Z