MAŠÁN, Ján - HAMAROVÁ, Mariana. Involuntarily infertile married couples with certain post-covid 19 syndrome manifestations and their attitude towards pre-implantation genetic diagnostics. In Lekársky obzor, 2021, roč. 70, č. 12, s. 444-449. ISSN 0457-4214. Bratislava : HERBA, 2021.