http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Prevalence of depression, anxiety, stress and oral impact among Malaysian periodontal patients
Jabatan Kesihatan Pergigian Masyarakat & Pencegahan Klinikal,
M. Community Oral Health Jabatan Kesihatan Pergigian Masyarakat & Pencegahan Klinikal, Fakulti Pergigian, Universiti Malaya 2015.