there were no significance differences between control subjects and gastrectomized patients in the apparent lag time prior to the start of absorption ( 23.6 vs. 22.8 min ) , peak serum tetracycline concentration ( 1.72 vs. 1.75 microgram/ml ) , the time of attainment of peak concentrations ( 3.35 vs. 3.42 hr ) , the apparent first-order absorption half-life ( 1.8 vs. 1.4 hr ) , or the apparent first-order elimination half-life ( 8.0 vs. 8.7 hr ) .
C0000854
absorption
C1373172
absorption half-life