Irreproducible life sciences research in U.S. costs $28 billion
Problems with preclinical studies often stem from flaws in experimental design and materials

BIG SPENDERS Preclinical research is all too often irreproducible. Its flaws, which tend to stem from four broad categories, cost big bucks.
L.P. Freedman, I.M. Cockburn and T.S. Simcoe/PLOS Biology 2015, adapted by M. Telfer