B

Banks, R. E., Forbes, M. A., Searle, J., Pappin, D., Canas, B., Rahman, D., Kaufmann, S., Walters, C. E., Jackson, A., Eves, Paula, Linton, G., Keen, J., Walker, J. J. and Selby, P. J. (1998) Evidence for the existence of a novel pregnancy-associated soluble variant of the vascular endothelial growth factor receptor, Flt-1. Molecular Human Reproduction, 4 (4). pp. 377-386. ISSN 1360-9947