共 12 条
[1]
CONTROLLING MAGNITUDE, DIRECTION, AND DURATION OF EXTRAORAL FORCE
[J].
AMERICAN JOURNAL OF ORTHODONTICS,
1971, 59 (03)
:217-+
[2]
Bernstein L, 1969, JPO J Pract Orthod, V3, P461
[7]
GRABER TM, 1975, CURRENT ORTHODONTIC, V2