Effect of age and particle size on passage time through the gastrointestinal tract of the rat. BNWL-480.
D000375:Aging; D000818:Animals; D000831:Animals, Newborn / Q000378:metabolism; D004064:Digestive System / Q000378:metabolism*; D007700:Kinetics; D010087:Oxides / Q000378:metabolism; D011005:Plutonium / Q000378:metabolism*; D051381:Rats; D012428:Ruthenium / Q000378:metabolism
D010087:Oxides; D011005:Plutonium; D012428:Ruthenium