Raffelsberger, W. and Wittliff, J. L. A Novel Approach for Comparing Ligand Binding Results from Titration and Competition Analyses to Study Hormone Mimics. J. Clin. Ligand Assay, 20:275-280, 1997.

Wittliff, J. L., Miseljic, S., Cummins, J. A. and Pasic, R. Does Menopausal Status Influence Sex-Steroid Receptor Content and Specific-Binding Capacity? J. Clin. Ligand Assay, 19:203-207, 1996.

Offutt, M. L., Miseljic, S. and Wittliff, J. L. Influence of Biopsy Size on Sex-Steroid Receptor Levels Determined by Enzyme Immunoassay. The Breast J., 1:180-184, 1995.

Baldi, A., Crespi, M. D., Castro, G., Wittliff, J. L., J. L., Shayo, C. C., Annibali, N. V. and Miladovan, A. G. Molecular Mechanism Implicated in the Control of Cell Growth in Human Breast Cancer Cells Treated with Phorbol Esters. Biocell 17(2):133-149, 1993.

Pinksi, J., Halmos, G., Shirahige, Y., Wittliff, J. L. and Schally, A. V. Inhibition of Antagonist RU486. J. Clin. Endocrinol. Metab., 77:1388-1392, 1993.

Folk, P., Dong, J. and Wittliff, J. L. Simultaneous Identification of Estrogen and Progesterone Receptors By HPLC Using A Double Isotope Assay. J. Steroid Biochem. Molec. Biol. 42(2): 141-150, 1992.

Wittliff, J. L., Janzen, R., Dong, J., and Dean, W. L. Molecular Mechanisms Contributing to Therapeutic Resistance to Hormone Antagonists and Agonists. In: D. Adam, T. Büchner, and E. Rubinstein (eds.), Recent Advances in Chemotherapy, pp. 2746-2747, Munich, Germany, Futuramed Publishers, 1992.

Baldi, A., Boyle, D. M., Annibali, N. V. and Wittliff, J. L. A Novel Protein Kinase Activity Identified from Human Breast Cancer Cell Lines. In: J. J. Li, S. Nandi and S. A. Li (eds.), Hormonal Carcinogenesis, Chapter. 5, pp. 58-64, New York, New York Springer-Verlag, 1992.

Wittliff, J. L., Janzen, R., Dong, J., and Dean, W. L. Molecular Mechanisms Contributing to Therapeutic Resistance to Hormone Antagonists and Agonists. In: D. Adam, T. B|chner, and E. Rubinstein (eds.), Recent Advances in Chemotherapy, pp. 2746-2747, Munich, Germany, Futuramed Publishers, 1992.

Wittliff, J. L., Pasic, R. and Bland, K. I. Steroid and Peptide Hormone Receptors Identified in Breast Tissue. In: K. I. Bland and E. M. Copeland III (eds.), The Breast: Comprehensive Management of Benign and Malignant Diseases, Chapter 43, pp. 900-936, Philadelphia, PA: W. B. Saunders Co., 1991.

Sanfilippo, J. S., Siegel, J. E. and Wittliff, J. L. Sex-Hormone Receptors in Breast and Ovarian Tissues of the Adolescent Female. Intl. Pediatrics, 6:281-284, 1991.

Meyer, J. S. and Wittliff, J. L. Regional Heterogeneity in Breast Carcinoma: Thymidine Labelling Index, Steroid Hormone Receptors, DNA Ploidy. Int. J. Cancer, 47:213-220, 1991.

Pasic, R., Djulbegovic, B. and Wittliff, J. L. Comparison of Sex Steroid Receptor Determinations in Human Breast Cancer by Enzyme Immunoassay and Radioligand Binding. J. Clin. Lab. Anal., 4:430-436, 1990.

van Aswegen, C. H., van Rensburg, H. G. J., Becker, P. J., Wittliff, J. L. and du Plessis, D. J. Influence of Sialic Acid on the Binding Activities of Estrogen Receptors. Clin. Physiol. Biochem., 8:169-178, 1990.

Hyder, S. M. and Wittliff, J. L. Separation of Two Molecular Forms of Human Estrogen Receptor By Hydrophobic Interaction Chromatography: Gradient Optimization and Tissue Comparison. J. Chromatogr., 476:455-466, 1989.

Wittliff, J. L., Wiehle, R. D. and Hyder, S. M. HPLC as a Means of Characterizing the Polymorphism of Steroid Hormone Receptors. In: A. R. Kerlavage (ed.), The Use of HPLC in Receptor Biochemistry, Chapter 7, pp. 155-199, New York: Alan R. Liss, Inc., 1989.

Hyder, S. M. and Wittliff, J. L. Detection of Two High Molecular Weight Hydrophobic Forms of the Human Estrogen Receptor. J. Steroid Biochem., 33(5):965-970, 1989.

Pasic, R., Djulbegovic, B. and Wittliff, J. L. Influence of O.C.T. Embedding Compound on Determinations of Estrogen and Progestin Receptors in Breast Cancer. Clin. Chem., 35:2317-2319, 1989.

Hyder, S. M. and Wittliff, J. L. High Performance Hydrophobic Interaction Chromatography as a Means of Identifying Estrogen Receptors Expressing Different Binding Domains. J. Chromatogr., 444:225-237, 1988.

Hyder, S. M., Wiehle, R. D. and Wittliff, J. L. Alterations in Estrogen Receptor Isoforms in the Mammary Gland and Uterus of the Rat During Differentiation. Comp. Biochem. Physiol., 91B:517-523, 1988.

Wittliff, J. L., Hyder, S. M. and Baldi, A. Association of Protein Kinase Activities with Estrogen Receptors in Breast and Uterine Cells. In: V. K. Moudgil (ed.), Receptor Phosphorylation, Chapter 17, pp. 357-371, Boca Raton, FL: CRC Press, Inc., 1988.

Hyder, S. M., Shahabi, N. A. and Wittliff, J. L. Microanalysis of Estrogen Receptors from Human Uteri by Multidimensional HPLC. BioChromatogr. 3(5):216-224, 1988.

van der Walt, L. A. and Wittliff, J. L. High-Resolution Separation of Molybdate-Stabilized Progestin Receptors Using High-Performance Liquid Chromatography. J. Chromatogr., 425:277-291, 1988.

Hyder, S. M., Sato, N., Chang, L., Meyer, J. S. and Wittliff, J. L. Recognition of Estrogen Receptor Isoforms from Human Breast Cancer by Immobilized Monoclonal Antibodies. Tumor Diagnostic & Therapie, 9:233-241, 1988.

Wittliff, J. L., Day, T. G., Jr., Dean, W. L. and Allegra, J. C. Identification of Endocrine Responsive Breast and Endometrial Carcinoma Using Steroid Hormone Receptors. In: T. C. Hall (ed.), Prediction of Response to Cancer Chemotherapy, pp. 11-41, New York: Alan R. Liss, Inc., 1988.

Wittliff, J. L. Steroid Receptor Analyses, Quality Control, and Clinical Significance. In: W. L. Donegan and J. S. Spratt (eds.), Cancer of the Breast, Chapter 11, pp. 303-335, Philadelphia, PA: W. B. Saunders Co., 1988.

Hyder, S. M., Sato, N. and Wittliff, J. L. Characterization of Estrogen Receptors and Associated Protein Kinase Activity by High-Performance Hydrophobic-Interaction Chromatography. J. Chromatogr., 397:251-267, 1987.

Hyder, S. M., Kohrs, F. P. and Wittliff, J. L. Progestin Receptors from Tissues Either Exhibiting or Lacking Estrogen Response Mechanisms. J. Chromatogr., 397:269-278, 1987.

Hyder, S. M. and Wittliff, J. L. High-Performance Hydrophobic Interaction Chromatography of a Labile Regulatory Protein: The Estrogen Receptor. BioChromatogr., 2(3):121-130, 1987.