Luder H U
Angle Orthod. 1986 Jan;56(1):58-66. doi: 10.1043/0003-3219(1986)056<0058:FPAAAB>2.0.CO;2.
A cephalometric study finding significant association between variations in facial pattern and three measurements commonly used to evaluate apical base relationships (the horizontal distance between points A and B, and angles A-N-B and A-B/Occlusal plane).