Review Article
Advances in the Research and Development of Natural Health Products as Main Stream Cancer Therapeutics
Figure 1
Sources of anticancer drugs from the 1940s to 2010. ∗Natural product (N), derived from a natural product, usually a synthetic derivative (ND). Natural product “Botanical” (NB); natural product mimic (NM); totally synthetic drug (S) made by total synthesis, but the pharmacophore is/was from a natural product (S∗).