Cervical Ectopic Pregnancies after Spontaneous Conception: Case Reports. AA Anzhel S., Kovachev E., Tsvetkov K., Zhekov Z., Kisyov S. Current Opinion in Gynecology and Obstetrics 1 (1), 95-99, 2018 | 4* | 2018 |
Puerperal infections after Cesarean section and after a natural childbirth ND Ivanov S, Tzvetkov K, Kovachev E, Staneva D Akush. Ginekol. (Sofiia) 53 (Suppl 1), 25-28., 2014 | 2* | 2014 |
Contemporary methods for preterm labor diagnostics EI N Kolev, E Kovachev, S Ivanov, Y Kornovski, K Tsvetkov, M Angelova, A Tsonev Akusherstvo i ginekologiia 52 (suppl.2), 5-11, 2013 | 2* | 2013 |
The sertoli cells, testicular differentiation and male infertility MM Tzvetkov K Akush. Ginekol. (Sofiia) 51 (Suppl 1), 15-18., 2012 | 1 | 2012 |
Covid 19 бременност, раждане и пуерперален период-случаи от практиката ДЦ Ковачев Е.,Цветков Кр.,Жеков Ж.,Замфиров С.,Петев И.,Радева Ц.,Чаушева А. Акушерство и гинекология 60 (suppl.3), 46-50, 2021 | | 2021 |
PREVALENCEAND SIGNIFICANCE OF CHROMOSOMAL POLYMORPHISM IN BULGARIAN PATIENTS WITH INFERTILITY AND RECCURENT SPONTANEOUS ABORTIONS TK Tsvetkova M. ,Angelova L. ,Levkova M. REPRODUCTIVE HEALTH, 3-9, 2021 | | 2021 |
MEDICAL OR SURGICAL ABORTION - OPTIMIZED CHOICE OF METHOD FOR INDUCED ABORTION IN THE I AND II TRIMESTER TK Zhekov Zh., Kovachev E., Tabakova N. REPRODUCTIVE HEALTH, 21-27, 2020 | | 2020 |
METHODS FOR INDUCED ABORTION IN I AND II TRIMESTER OF PREGNANCY TK Zhekov Zh., Kovachev E., Tabakova N. REPRODUCTIVE HEALTH, 16-21, 2020 | | 2020 |
OFFICE POLYPECTOMY IN PATIENTS WITH INFERTILITY AA S. Kisov , E. Kovachev , K.Alexandrov , K. Tsvetkov , S.Angel Репродуктивно здраве 30, 11-14, 2019 | | 2019 |
HEMO-TESTICULAR BARRIER - STRUCTURE, FUNCTIONS AND ITS IMPORTANCE FOR THE MAINTENANCE OF SPERMATOGENESIS SK K.Tsvetkov, E. Kovachev Репродуктивно здраве 30, 3-7, 2019 | | 2019 |
TRANSVAGINAL LAPAROSCOPY – A MODERN TECHNIQUE IN THE DIAGNOSIS OF FEMALE INFERTILITY KA А. Aleksandrov , Е. Kovachev , S.Kisyov , S. Anzhel , K. Tsvetkov Репродуктивно здраве 29, 3-7, 2019 | | 2019 |
Бъбречна колика и бременност-рискове и усложнения ЦК Димитрова З., Е.Ковачев, А.Сандулов, К.Цветков, С.Анжел Списание Акушерство и гинекология 57 (5), 23-27, 2018 | | 2018 |
Препоръки на ESGO за органосъхраняващи хирургични техники при рак на маточната шийка КЦ Корновски Я., Е.Исмаил, Е.Ковачев Списание Акушерство и гинекология 57 (5), 45-47, 2018 | | 2018 |
Placenta Accreta–a Case Report AA Maneesha De, Simona Angel, Kremen Tsvetkov, Emil Kovachev Scripta Scientifica Vox Studentium 1 (1), 2017 | | 2017 |
АРТ–проблеми и решения КЦ Ковачев Е.,С.Анжел, Я.Корновски,С.Кисьов Акушерство и гинекология 56 (suppl.2), 48-54, 2017 | | 2017 |
Therapeutical algorithm for life threatening haemorrhage during caesarean delivery or massive vaginal or cervical rupture following vaginal delivery SK I Kosovski, E Kovachev, K Tsvetkov, S Ivanov, R Minkov, T Tsvetkov Akusherstvo i ginekologiia 53 (suppl.2), 4-6, 2014 | | 2014 |
A case with Azoospermia and YQ- chromosome microdeletion, affecting its proximal region Azoospermia factor-A (AZFA) MM Tzvetkov K. Akush. Ginekol. (Sofiia) 52 (Suppl 1), 74-76., 2013 | | 2013 |
Induced labor in cases of intrauterine growth retardation SD Tzvetkov K, Kovachev E Akush. Ginekol (Sofiia) 52 (Suppl 2), 39-43, 2013 | | 2013 |
Индицирана (медицинска) индукция на раждането при деца с интраутеринна ретардация. ДС К. Цветков ., Е.Ковачев Списание Акушерство и гинекология 52 (suppl.), 39-43, 2013 | | 2013 |
Случай с необтурационна азооспермия и микроделеция на Yq-хромозомата, засягаща проксималния й участък азооспермия фактор (AZF-a). ММ К.Цветков Списание Акушерство и гинекология 52 (suppl.1), 77-79, 2013 | | 2013 |