Studies in enzyme cytochemistry I. Principles of cytochemical staining methods.
D004798:Enzymes / Q000032:analysis*; D005100:Expectorants; D006651:Histocytochemistry; D010946:Plants, Medicinal / Q000627:therapeutic use*; D013194:Staining and Labeling
D004798:Enzymes; D005100:Expectorants
ENZYMES/determination; SQUILL/therapeutic use