Reviews of Physiology, Biochemistry and Pharmacology

K.W. Bock: The Aryl Hydrocarbon or Dioxin Receptor: Biologic and Toxic Responses.-K. Grieshaber, I. Hardewig, U. Kreutzer, and H.-O. Poertner: Physiological and Metabolic Responses to Hypoxia in Invertebrates.-K.-W. Koch: Calcium as Modulator of Phototransduction in Vertebrate Photoreceptor Cells.