TY - BOOK AU - JAY SONI TI - ASSESSMENT OF NICKEL RELEASE FROM SIMULATED FIXED ORTHODONTIC APPLIANCE IN THREE DIFFERENT PH AT THREE DIFFERENT IMMERSION INTERVAL – AN IN VITRO STUDY U1 - 617.643 PY - 2012/// CY - PIPARIA PB - SUMANDEEP VIDYAPEETH KW - ORTHODONTICS ER -