Erratum to: Risk assessment of amine-based anti-hypertensive drugs for the possible presence of N-nitroso dimethyl amine by a verified GC-MS method

Shaista Qamar, Waqas Ilyas, Ahmed Ali Mir, Khalid Hussain, Mahmood Ahmad, Noor ul Amin Mohsin, Sadia Chaman, Anum Naseer, Muhammad Usama, Abu Safyan