Van, N. T., T. D. Linh, and L. M. Trac. “12. Bronchopulmonary Dysplasia in Extremely Preterm Infants: Prevalence and Related Factors”. Journal of Medical Research, vol. 177, no. 4E14, May 2024, pp. 91-97, doi:10.52852/tcncyh.v177i4E14.2377.