1. Bandilla, K., Pfannenstiel, P.: The use of isotope bone scanning in the diagnosis of early ankylosing spondylitis (AS). In: Proceedings of the 13th International Rheumatology Congress, Kyoto, Japan, Vol. 362, p. 107. Amsterdam: Excerpta Medica 1973
2. Bandilla, K., Semmler, U., Berg, D., Adam, W., Pfannenstiel P.: Klinische Bedeutung der quantitativen Anwendung von 99m-Tc-Sn-EHDP-Szintigrammen der Iliosakralgelenke. Verh. Dtsch. Ges. Inn. Med. 83, 1801?1805 (1977)
3. B�ll, U., Schattenkirchner, M., Frey, K.W.: Vergleich r�ntgenologischer und szintigraphischer Befunde bei der Spondylitis ankylopoetica (sog. M. Bechterew). Fortschr. R�ntgenstr. 121, 369?377 (1974)
4. B�ll, U., Schuster, H., Pfeiffer, J.P., Tongendorf, J., Niendorf, H.P.: Bone-to-bone, joint-to-bone, and joint-to-joint ratios in normal and diseased skeletal states using region-of interest technique and bone-seeking radiopharmaceuticals. Nucl. Med. 16, 104?112 (1977a)
5. B�ll, U., Pfeiffer, J.P., Niendorf, H.P., Tongendorf, J.: A computer assisted comparision of 99mTc-methylene-diphosphonate and 99mTc-pyrophosphate bone imaging. Br. J. Radiol. 50, 629?636 (1977b)