Clearance curves for radioactive tracers--sums of exponentials or powers of time?
D000818:Animals; D002127:Calcium Isotopes / Q000378:metabolism; D008954:Models, Biological; D011868:Radioisotopes / Q000097:blood / Q000378:metabolism*; D051381:Rats; D013997:Time Factors; D014316:Tritium / Q000378:metabolism
D002127:Calcium Isotopes; D011868:Radioisotopes; D014316:Tritium