Milestones in SIF Cell Research.- Neurotransmitters and Neuromodulators.- Regulatory Peptides in the Autonomic and Sensory Nervous Systems.- Biochemical and Immunological Aspects of Gastrointestinal Hormones.- Chemical Coding of Autonomic Neurons.- Peptides and Transmitters in Para- and Prevertebral Ganglia and Their Projections.- Peptide Immunohistochemistry of Guinea Pig Lumbar Sympathetic Ganglia.- Sensory Transmitter Candidates and Their Role in the Periphery.- Cardiodilatin as a Neuropeptide (Cardiac Polypeptide Hormones Are also Neuropeptides).- Immunohistochemistry of Histamine and Histidine Decarboxylase in SIF Cells and Intestinal Nerves.- The Enteric Nervous System, with Particular Reference to the Enkephalin and VIP-PHI Neurons.- Gamma-Aminobutyric Acid (GABA) Signaling in the Adrenal Medulla.- Immunohistochemistry of Opioid Peptides in Guinea Pig Paraganglia.- Localization of Calcitonin Gene-Related Peptide (CGRP) in Chromaffin Cells and Nerve Terminals in Adrenal Medulla.- Substance P in the Carotid Body.- Calcitonin Gene-Related Peptide-lmmunoreactive Nerve Fibers in Carotid Body and in Carotid Sinus.- Fluorescence Histochemical and Microspectrofluorometric Study of Three Different Catecholamines in Rat Uterus and Paracervical Ganglion.- Chemical Analysis of Catecholamines in Uterine Tissue of Rat: Evidence for the Presence of Noradrenaline as well as Dopamine and Adrenaline.- The Distribution of Vasoactive Intestinal Polypeptide (VIP) in the Opossum Esophagus in Relation to Function.- Peptidergic and Catecholaminergic Innervation in Rat and Human Brown Adipose Tissue.- Enzymes and Proteins.- Molecular Biology of Catecholamine Synthesis, Storage and Release.- Chromaffin Cells: A Novel Source for Neuronotrophic Factors.- Localization of Lysosomal Enzymes in Chromaffin Cells of the Rat Carotid Body.- Distribution of the Ca++ Binding Protein Chromogranin A in the Pancreatic Islets.- Immunohistochemical Localization of a Nucleoside- Triphosphate-ADP-Phosphlc%