TY - RPRT TI - A follow-up study on three caries activity tests. AU - Sizhen Shi AU - Qing Deng AU - Yoshihiro Hayashi AU - Masashi Yakushiji AU - Yukio Machida AU - Qin Liang PY - 2003 DO - 10.17796/jcpd.27.4.522043767n014735 UR - https://pubmed.ncbi.nlm.nih.gov/12926409/ ID - 12926409 ER -