Figure 2From: Modeling the effect of levothyroxine therapy on bone mass density in postmenopausal women: a different approach leads to new inferenceChanges in BMD with respect to time in the Ward's triangle. Polynomial regression for changes in regional BMD with respect to time in the Ward's triangle. The observed data (+) and the linear (--), quadratic (-.) and cubic (-) model, graph of f'(t) vs. t and direction field for the Ward's triangle.Back to article page