Article And research Paper on Margosa
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3695574/
http://www.iari.res.in/?option=com_content&view=article&id=196&Itemid=543
https://en.wikipedia.org/wiki/Azadirachta_indica
http://ejbio.imedpub.com/neem--a-green-treasure.pdf
http://www.pharmaresearchlibrary.com/therapeutic-potential-of-neem-azadirachta-indica/