Extracorporeal Photopheresis in Children with Chronic Graft-Versus-Host Disease oleh Andrey Kozlov, Maria Estrina, Olesia Paina, Tatiana Bykova, Anna Osipova, Polina Kozhokar, Zhemal Rakhmanova, Irina Solodova, Elena Morozova, Alexander Alyansky, Irina Kulagina, Asmik Gevorgian, Anna Dotsenko, Ivan Moiseev, Alexey Chukhlovin, Alexander Kulagin, Sergey Bondarenko, Elena Semenova, Ludmila Zubarovskaya