R. Knüppen

Interactions Between Estrogens and Catechol Amines III. Studies on the Methylation of Catechol Estrogens, Catechol Amines and other Catechols by the Catechol-<i>O</i>-Methyltransferase1 of Human Liver

Peter Ball, R. Knüppen, Margitta Haupt et al. · The Journal of Clinical Endocrinology & Metabolism · 1972 · 281 citations

Organic Chemistry, Reproductive Endocrinology, Substrate Specificity +16

Catecholoestrogens (2-and 4-hydroxyoestrogens): chemistry, biogenesis, metabolism, occurrence and physiological significance.

Peter Ball, R. Knüppen · PubMed · 1980 · 159 citations

Endocrine Disruptors, Biochemistry, Endocrine Mechanism +6

Gonadotropin releasing hormone binding sites in human epithelial ovarian carcinomata

Günter Emons, G. S. Pahwa, Christoph Brack et al. · European Journal of Cancer and Clinical Oncology · 1989 · 114 citations

Endocrine-related Cancer, Hormonal Receptor, Gynecology +9

Formation of 2- and 4-Hydroxyestrogens by Brain, Pituitary, and Liver of the Human Fetus*

Peter Ball, R. Knüppen · The Journal of Clinical Endocrinology & Metabolism · 1978 · 94 citations

Tenascin expression in the human endometrium and in endometrial adenocarcinomas.

G Vollmer, Gene P. Siegal, Ruth Chiquet‐Ehrismann et al. · PubMed · 1990 · 78 citations