TY - RPRT TI - Application of in vitro extraction studies to evaluate element bioaccessibility in soils from a transect across the United States and Canada AU - S.A. Morman AU - G.S. Plumlee AU - D. B. Smith PY - 2009 DO - 10.1016/j.apgeochem.2009.04.015 UR - https://pubs.usgs.gov/publication/70036888 ID - 70036888 ER -