Thomas D. Schreiber, Carolin Steinl, Mike Essl, Harald Abele, Konstanze Geiger, Claudia A. Müller, Wilhelm K. Aicher and Gerd Klein (2009) “The integrin α9β1 on hematopoietic stem and progenitor cells: involvement in cell adhesion, proliferation and differentiation”, Haematologica. Pavia, Italy, 94(11), pp. 1493-1501. doi: 10.3324/haematol.2009.006072.