Hanh และผู้แต่งคนอื่นๆ. (2007) Dental caries and related factors in the first and second academic year medical students in Thaibinh Medical University, Vietnam. Chulalongkorn University:ม.ป.ท.Hanh และผู้แต่งคนอื่นๆ. 2007. Dental caries and related factors in the first and second academic year medical students in Thaibinh Medical University, Vietnam. ม.ป.ท.:Chulalongkorn University;Hanh และผู้แต่งคนอื่นๆ. Dental caries and related factors in the first and second academic year medical students in Thaibinh Medical University, Vietnam. ม.ป.ท.:Chulalongkorn University, 2007. Print.