Claudio, Emilio Raymund, et al. “ESOPHAGEAL IMPACTION OF FERTILIZED DUCK EGG ALBUMEN (HARDENED BALUT WHITE) IN A TERTIARY GOVERNMENT HOSPITAL IN THE PHILIPPINES: A CASE SERIES”. Journal of Southeast Asian Medical Research, vol. 5, no. 2, Nov. 2021, pp. 99-104, doi:10.55374/jseamed.v5i2.91.