Study Design. Inestigate the association between growth of the spine and thorax under conditions that create symmetric or asymmetric growth disturbances of the spine or thorax in a growing rabbit.

• 实验设计.；研究生长中的家兔体内在匀称的或不对称的脊柱或胸廓的生长混乱的情况下，脊柱的生长和胸廓的生长的关系。