Multisystemic inflammatory syndrome in children post-COVID-19: clinical-biological characteristics of patients in the first year of the pandemic oleh Luminita Goicea (Spatariu), Eugenia Buzoianu, Ana Maria Davitoiu, Sorina Chindris, Andrei Zamfirescu, Mirela Iancu, Ioana Ghiorghiu, Iulia Tincu, Anca Draganescu, Ana Dorobantu, Gabriela Vlad, Luiza Bordei, Vlad Plesca, Doina Anca Plesca