CC Stella, M Cazzola, P De Fabritiis, A De Vincentiis, AM Gianni, F Lanza, F Lauria, RM Lemoli, C Tarella, P Zanon, and al. et. 1995. “CD34-Positive Cells: Biology and Clinical Relevance”. Haematologica 80 (4). Pavia, Italy, 367-87. https://haematologica.org/article/view/700.