1. The role of natural product chemistry in drug discovery;Butler;J. Nat. Prod.,2004
2. Chapter 1 natural products as drugs and leads to drugs;Newman,2009
3. Chapter 8 advances in biological screening for lead Discovery;Parker,2009
4. Chapter 1 natural products in drug Discovery;Brahmachari,2011
5. Chapter 5 plants: revamping the oldest source of medicines with modern science;Appendino,2009