Lek Obz, 2020, 69 (7 – 8)Editorial
Angelika BATOROVA, Denisa JANKOVICOVA, Anna KYSELOVA, Tatiana PRIGANCOVA: Hemophilia and congenital bleeding disorders during the COVID-19 pandemics         
Miroslav KILIAN, Agáta SZABÓOVÁ, Michal GURKA, Jana FELDINSZKÁ, Jozef BARINKA, Jana MORÁVKOVÁ, Peter ŠIMKO: Management of trauma patient with positivity of SARS-CoV-2 requiring surgery: Slovak experience        

Clinical Studies
Dusan HOLLY, Lubomir MALICEK, Frantisek THALMEINER, Kristina HALMOVA, Merita MAZREKU, Peter STANKO: 35 Years of Zygomaticomaxillary Fractures Follow-Up         
Iryna Bohdanivna ROMASH, Vasyl Hryhorovych MISCHUK, Ivan Romanovych ROMASH: Relation between the level of ghrelin, prostaglandins E2 and F2alpha and daily pH monitoring data in patients with a combined course of gastroesophageal reflux disease and undifferentiated connective tissue disease     

   

Original Paper
Tatiana KIMÁKOVÁ, Marián BERNADIČ: Negative effects of polychlorinated biphenyls on health and the quality of the environment        

Multicentric trial
Volodymyr SHAPRYNSKYI, Oleksandr NAZARCHUK, Mariia FAUSTOVA, Bohdan MITIUK, Dmytro DMYTRIIEV, Oleksandr DOBROVANOV, Karol KRALINSKY, Yuliana BABINA: Some aspects of infectious complications in patients with surgical diseases.        

Reviews
Andrej DUKAT, Juraj PAYER, Ján GAJDOSIK, Milan KRISKA, Fedor SIMKO: Place of biomarkers in rutine management of patients with chronic heart failure and their diagnostic and prognostic importance         
Lucia NOCAROVÁ, Martina ONDRUŠOVÁ, Dalibor ONDRUŠ: Cervical carcinoma – comprehensive overview         
Sona PINTESOVA, Nora KELECSENYIOVA, Juraj LYSY, Peter STANKO: Orthodontic treatment of tooth agenesis in patients with orofacial cleft