Innovative Research's Porcine Red Blood Cells - Packed 10% product was recently used in the following study:

Structure and function relationships of the binding of - and -galactosylated oligosaccharides to K88 fimbriae of enterotoxigenic Escherichia coli

Ya Lu Yan, Michael G. Gnzle
International Dairy Journal, 31 Jan 2018

... Oligosaccharides were used at 10 g L -1 and in two-fold serial dilutions to the exhaustion of biological activity or to 0.1 g L -1 . Erythrocytes were prepared by 2-fold dilution of a 10% suspension of porcine red blood cells (Innovative Research, Novi, MI, USA) ...