Human Serum from Innovative Research was recently used in the following study:
Growth Hormone & IGF Research: Volume 41, August 2018, Pages 1-6
Analysis of new growth promoting black market products
Oliver Kruga, Andreas Thomas, Helle Malerd-Fjeld, Yvette Dehne, Tim Laussmann, Ingo Feldmann, Albert Sickmann, Mario ThevisGrowth Hormone & IGF Research: Volume 41, August 2018, Pages 1-6
... The serum specimen for the in-vitro experiments was from Innovative Research, Inc. (Peary Court Novi, MI). For all dilution steps and preparation ...