Fontana RJ, deVries TM, Woolf TF, Knapp MJ, Brown AS, Kaminsky LS, Tang BK, Foster NL, Brown RR, Watkins PB (1998)
Caffeine based measures of CYP1A2 activity correlate with oral clearance of tacrine in patients with Alzheimer's disease
British Journal of Clinical Pharmacology 46: 221

Forgue ST, Reece PA, Sedman AJ, deVries TM (1996)
Inhibition of tacrine oral clearance by cimetidine
Clinical Pharmacology & Therapeutics 59: 444