Mixtures of many components in inexact proportions, usually natural, such as PLANT EXTRACTS; VENOMS; and MANURE. These are distinguished from DRUG COMBINATIONS which have only a few components in definite proportions.

Synonyms: Complex Extract, Crude Extract, Complex Mixture, Extract, Complex, 0, Mixture, Complex, Extracts, Complex, Complex Mixtures, Mixtures, Complex, Extract, Crude, Complex Extracts, Crude Extracts, Extracts, Crude