Front Cover; Vitamins and Hormones: Advances in Research and Applications; Copyright Page; Contributors to Volume 22; Preface; Contents; Chapter 1. Biochemistry of Biotin; Chapter 2. The Biochemistry of the Inositol Lipids; Chapter 3. The Role of Organ Cultures in the Study of Vitamins and Hormones; Chapter 4. Therapy of Gynecological Disorders with Human Gonadotropin; Chapter 5. The Biochemistry of Progesterone; Chapter 6. The Role of the Brain in the Regulation of Pituitary; Chapter 7. Cellular and Molecular Aspects of the Antidiuretic Action of Vasopressins and Related Peptides. Chapter 8. International Symposium on Vitamin B6 in Honor of Professor Paul GyörgyChapter 9. Synthesis and Labeling of the Vitamin B6 Group; Chapter 10. Phosphorylase and Related Enzymes of Glycogen Metabolism; Chapter 11. Comparative Studies on Glutamic-Oxalacetic Transaminases from the Mitochondrial and Soluble Fractions of Mammalian Tissues; Chapter 12. Amino Acid Decarboxylation Steps in the Biosynthesis of Norepineph.