TY - RPRT TI - Influence of gut content in immature aquatic insects on assessments of environmental metal contamination AU - D.J. Cain AU - S. N. Luoma AU - E.V. Axtmann PY - 1995 DO - 10.1139/f95-862 UR - https://pubs.usgs.gov/publication/70185713 ID - 70185713 ER -