Fertility Preservation in Children and Adolescents during Oncological Treatment—A Review of Healthcare System Factors and Attitudes of Patients and Their Caregivers. - Pawłowski, Piotr; Ziętara, Karolina Joanna; Michalczyk, Justyna; Fryze, Magdalena; Buchacz, Anna; Zaucha-Prażmo, Agnieszka; Zawitkowska, Joanna; Torres, Anna; Samardakiewicz, Marzena (Cancers, 2023)