Ferrero E, Fabbri M, Poggi A, Galati G, Bernasconi S, Zocchi MR. Tumor-driven matrix invasion by infiltrating lymphocytes: involvement of the alpha1 integrin I-domain. Eur J Immunol. 1998 Aug;28(8):2530–6. doi: 10.1002/(sici)1521-4141(199808)28:08<2530::aid-immu2530>3.0.co;2-6. PMID: 9710230.