TY - BOOK AU - Wyk,P.J.van ED - South Africa. TI - National oral health survey: South Africa 1998/89, a report of the first national oral health survey of South Africa PY - 1994/// CY - Johannesburg PB - Dept. of Health KW - Dental health surveys KW - statistics KW - Mouth diseases KW - Oral health N1 - * ER -