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 BBCTN drug inspectors had failed to detect toxic cough syrup production for 14 years Times of IndiaIndia probes possible cough syrup link to deaths of at least nine children Al JazeeraRajasthan orders probe after two children die from consuming cough syrup The Hindu