SMITH, M. T., Redick, J. A, Barron, J., — Quantitative immunocytochemistry. A comparison of microdensiometric analysis of unlabeled antibody peroxidase - antiperoxidase staining and of microfluorimetric analysis of indirect fluorescent antibody staining for nicotinamide adenosine dinucleotide phosphate (NADPH) - cytochrom C (P-450) reductase in rat liver.