What churned out killer cough syrup: Rusty machines, filthy floors; how 2,000sqft unit went unchecked for Times of IndiaThe deadly dose: Inside India’s cough syrup obsession BBCCough Syrup Kills 2 Children In Rajasthan; Doctor Takes It To Prove It’s Safe And Faints NDTVTN drug inspectors had failed to detect toxic cough syrup production for 14 years Times of IndiaCough syrup death toll rises to 20 in Madhya Pradesh The Hindu