https://scholar.google.com/scholar_lookup?title=Evaluation+of+Changes+in+Salivary+PH+after+Intake+of+Different+Eatables+and+Beverages+in+Children+at+Different+Time+Intervals&author=Pachori,+A.&author=Kambalimath,+H.&author=Maran,+S.&author=Niranjan,+B.&author=Bhambhani,+G.&author=Malhotra,+G.&publication_year=2018&journal=Int.+J.+Clin.+Pediatr.+Dent.&volume=11&pages=177–182&doi=10.5005/jp-journals-10005-1507