共 44 条
[2]
Albandar Jasim M, 2005, Dent Clin North Am, V49, P517, DOI 10.1016/j.cden.2005.03.003
[3]
Alswat Khaled, 2016, J Clin Med Res, V8, P147, DOI 10.14740/jocmr2433w
[4]
World Medical Association Declaration of Helsinki Ethical Principles for Medical Research Involving Human Subjects
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2013, 310 (20)
:2191-2194
[5]
[Anonymous], 2015, Stata Statistical Software: Release 14
[6]
[Anonymous], 2010, POPULATION DISTRIBUT