- Clinical case seminar: Fibroblast growth factor 23: a new clinical marker for oncogenic osteomalacia. Nelson, A.E., Bligh, R.C., Mirams, M., Gill, A., Au, A., Clarkson, A., Jüppner, H., Ruff, S., Stalley, P., Scolyer, R.A., Robinson, B.G., Mason, R.S., Bligh, P.C. J. Clin. Endocrinol. Metab. (2003)