共 5 条
[1]
PREVALENCE AND CHARACTERISTICS OF MALOCCLUSION AMONG SENIOR HIGH SCHOOL STUDENTS IN UPSTATE NEW YORK
[J].
AMERICAN JOURNAL OF ORTHODONTICS,
1965, 51 (06)
:437-&
[2]
Draker HL., 1960, AM J ORTHOD, V46, P295, DOI DOI 10.1016/0002-9416(60)90197-4
[3]
DRAKER HL, 1960, B AMER ASSOC PUBLIC, V20, P67
[4]
GOULDEN CH, METHODS STATISTICAL
[5]
TIPPETT LHC, METHODS STATISTICS