共 19 条
[1]
ARMITAGE P, 1987, STATISTICAL METHODS, P107
[2]
Badersten A, 1972, Tandlakartidningen, V64, P770
[4]
Bergenholtz A, 1967, Sven Tandlak Tidskr, V60, P447
[5]
Bergenholtz A, 1969, Sven Tandlak Tidskr, V62, P15
[6]
BETRAM K, 1981, TROP DENT J, V4, P35
[8]
Frostell G, 1965, Odontol Foren Tidskr, V29, P301
[9]
HAKANSSON J, 1978, THESIS U LUND MALMO
[10]
HANSEN F, 1971, Scandinavian Journal of Dental Research, V79, P502