Below is a reference from ScienceDirect.com regarding Innovative Research Human Plasma being used in a recent Cancer Study.
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A stable isotope-labeled internal standard is essential for correcting for the interindividual variability in the recovery of lapatinib from cancer patient plasma in ... J Wu, R Wiegand, P LoRusso, J Li - Journal of Chromatography B, 2013 ...throughout in all aqueous solutions. Blank pooled human plasma and six different donors of plasma were obtained from Innovative Research Inc. (Novi, MI). 2.2. Stock solutions, calibration standards, and quality control samples....