Evaluation of Salivary and Serum Concentration of Nickel and Chromium Ions in Orthodontic Patients and their Possible Influence on Hepatic Enzymes: An in vivo Study. Issue 4 (October 2014) - Satija, Anuj; Sidhu, Maninder Singh; Grover, Seema; Malik, Vikas; Yadav, Puneet; Diwakar, Rohan