J. Knipper and Co., a provider of commercial solutions to the healthcare community, has acquired the inVentiv Health MySTRO Sample Management and Fulfillment business, including regulatory compliance, sample accountability, and fulfillment services. J. Knipper becomes the largest pharma samples management service provider in the U.S., with services that include marketing, printing, sample and literature distribution, eSampling and direct HCP fulfillment, regulatory compliance, information techno...