Calculate renal clearance
Details
clr is sum(ae)/auc.
The units for the ae and auc should match such that ae/auc has
units of volume/time.
See also
Other Urine/Excretion parameters:
pk.calc.ae(),
pk.calc.ermax(),
pk.calc.ertlst(),
pk.calc.ertmax(),
pk.calc.fe(),
pk.calc.volpk()