Research & Development.  
PBR is a leading Canadian laboratory providing quality bioanalytical and contract research services to the pharmaceutical, biotechnology, environmental, food, natural health products and petrochemical industries and public sector clients. PBR specializes in cellular and genetic toxicology, microbiology and biotechnology in general as applied to drug development, product safety and efficacy evaluation, and screening for pathogens in food and water and mold in the indoor environment. PBR undertakes applied research for developing and validating new assays and technologies applicable to drug safety assessment, product development and biomonitoring.