Popstefanov, Ruslan, Medical University of Varna
Popvasilev, Iv.
Porojanova, S., Medical University of Varna
Poryadin, N. F.
Postadjian, A., Tokuda Hospital Sofia
Prakova, G., University Hospital of Stara Zagora
Pranchev, L.
Presolski, I., University Hospital of Pleven
Presolski, I., University hospital Dr. Georgi Stranski of Pleven
Proceedings, Authors of
Projkov, S.
Projkova, V.
Protopopov, F.
Protopopova, A.
Prys, R., Gwyneth Council
Pupaki, D.
Pаncheva, N., Medical University of Varna

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