Andrzejczuk, Sylwia, et al. “Prevalence of Aerobically Growing Opportunistic Bacteria in the Nasopharyngeal Microbiota of Pregnant Women Living in Rural and Urban Areas”. Current Issues in Pharmacy and Medical Sciences, vol. 36, no. 3, Sept. 2023, pp. 180-4, https://doi.org/10.2478/cipms-2023-0031.