Antitumoral activity of parvovirus-mediated IL-2 and MCP-3/CCL7 delivery into human pancreatic cancer: implication of leucocyte recruitment, Dempe, S., Lavie M., Struyf S., Bhat R., Verbeke H., Paschek S., Berghmans N., Geibig R., Rommelaere J., Van Damme J., et al. , Cancer Immunol Immunother, 2012 Nov, Volume 61, Issue 11, (2012)