@article{article406acd35,
title   = {Levels of aspartate aminotransferase (AST) in saliva of patients with different periodontal conditions},
author = {Cesco, Ricardo de Toledo and Ito, Izabel Yoko and Albuquerque Júnior, Rubens Ferreira de},
year = {2003},
doi = {10.1034/j.1600-051x.2003.00373.x},
journal   = {Journal of Clinical Periodontology}
}