Secreted factors from mouse embryonic fibroblasts maintain repopulating function of single cultured hematopoietic stem cells. - Romero Marquez S; Hettler F; Hausinger R; Schreck C; Landspersky T; Henkel L; Angerpointner C; Demir IE; Schiemann M; Bassermann F; Götze KS; Istvánffy R; et al. (Haematologica, 2021)