@incollection{Heikkinen15,
author = {Anna Maria Heikkinen and Päivi Mäntylä and Jussi Leppilahti and Nilminie
Rathnayake and Jukka Meurman and Timo Sorsa},
title = {Oral Fluid Biomarkers in Smoking Periodontitis Patients and Systemic Inflammation},
booktitle = {Emerging Trends in Oral Health Sciences and Dentistry},
publisher = {IntechOpen},
address = {Rijeka},
year = {2015},
editor = {Mandeep Singh Virdi},
chapter = {22},
doi = {10.5772/59813},
url = {https://doi.org/10.5772/59813}
}