1. Influence of variation in semiflexed knee positioning during image acquisition on separate quantitative radiographic parameters of osteoarthritis, measured by Knee Images Digital Analysis 
M.B. Kinds, K.L. Vincken, T.N. Hoppinga, R.L.A.W. Bleys, M.A. Viergever, A.C.A. Marijnissen, P.M.J. Welsing, F.P.J.G. Lafeber 
Osteoarthritis and Cartilage 
Volume 20, Issue 9, Pages (September 2012)
DOI: /j.joca
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Standard position and systematic variations in knee position components for radiography, MTP: metatarsophalangeal joint.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Influence of systematic variation in position components on separate quantitative radiographic parameters.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions