Lyapina, M., K. Lyubomirova, T. Kundurzhiev, and M. Vizeva. “Pilot Study of the Prevalence of Contact Sensitization to Preservatives As Cosmetic Ingredients in Occupational and Educational Exposures”. Acta Medica Bulgarica 50, no. 3 (September 30, 2023): 29–35. Accessed December 4, 2024. https://journals.mu-sofia.bg/index.php/amb/article/view/15.