STUDY OF WORK CONDITIONS AS A FACTOR IN STRESS IN SEWING INDUSTRY WORKERS.

by Irena Stoilova, Silvia Tzvetkova, Penka Stefanova
Published 2015-12-01

A CASE OF RARE CONGENITAL HEART MALFORMATION: TAUSSIG- BING SYNDROME

by Milena Gulinac, Georgi Ivanov, Ivan Tsranchev, Penka Stefanova, Simeon Lichev
Published 2019-02-01

Central Nervous System Involvement in Henoch-Schonlein Purpura in Children and Adolescents

by Iliyana H. Pacheva, Ivan S. Ivanov, Krastina Stefanova, Elena Chepisheva, Lyubov Chochkova, Dafina Grozeva, Angelina Stoyanova, Stojan Milenkov, Penka Stefanova, Anna Petrova
Published 2017-01-01