Structural model of porcine factor VIII and factor VIIIa molecules based on scanning transmission electron microscope (STEM) images and STEM mass analysis - Mosesson, M W; Fass, D N; Lollar, P; DiOrio, J P; Parker, C G; Knutson, G J; Hainfeld, J F; Wall, J S (J Clin Invest, 1990)