Options for Covid-19 Vaccines in Bulgaria – Acceptance and Hesitance
Petrova-Valkova, D., Serbezova, A., Yanakieva, A.
Antibiotic Prescribing Practices to Children Among in- and Outpatient Physicians in Bulgaria
Zaykova, K., Nikolova, S. P., Pancheva, R., Serbezova, A.