Naithani, V; Kakkar, P (2004). "An evaluation of residual organochlorine pesticides in popular Indian herbal teas". Archives of environmental health. 59 (8): 426–30. doi:10.3200/AEOH.59.8.426-430. PMID16268119.
Naithani, V; Kakkar, P (2004). "An evaluation of residual organochlorine pesticides in popular Indian herbal teas". Archives of environmental health. 59 (8): 426–30. doi:10.3200/AEOH.59.8.426-430. PMID16268119.