APA (7th ed.) Citation

Siregar, K., Maranatha, D., & Wiratama, P. A. (2026). Differences in mucin levels and bacterial patterns in the sputum of smokers and Non-Smokers: A Cross-Sectional study. Perinatal Journal, 34(2), 439. https://doi.org/10.57239/prn.26.03420042

Chicago Style (17th ed.) Citation

Siregar, Krismanto, Daniel Maranatha, and Priangga Adi Wiratama. "Differences in Mucin Levels and Bacterial Patterns in the Sputum of Smokers and Non-Smokers: A Cross-Sectional Study." Perinatal Journal 34, no. 2 (2026): 439. https://doi.org/10.57239/prn.26.03420042.

MLA (9th ed.) Citation

Siregar, Krismanto, et al. "Differences in Mucin Levels and Bacterial Patterns in the Sputum of Smokers and Non-Smokers: A Cross-Sectional Study." Perinatal Journal, vol. 34, no. 2, 2026, p. 439, https://doi.org/10.57239/prn.26.03420042.