http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Yếu tố liên quan với viêm nha chu ở người bệnh thận mạn
Y dược; Viêm nha chu; Bệnh thận mạn; Yếu tố nguy cơ