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 BBCDeath toll due to Coldrif cough syrup rises to 20 in Madhya Pradesh ET HealthWorldIndia 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