The Collected Papers of Paul Ehrlich, Volume I covers topics on histology, biochemistry, and pathology. The book presents topics on practice and theory of staining in histology; cytology of the blood in health and disease; and the staining of bacteria and its application to diagnosis. The text also includes topics on the requirement of the organism for oxygen and other allied biochemical studies; pharmacology, therapeutics and toxicology; and the diazobenzenesulphonic acid and dimethylaminobenzaldehyde reactions.

The concept of specific receptors for drugs, hormones and transmitters lies at the very heart of biomedicine. This book is the first to consider the idea from its 19th century origins in the work of John Newport Langley and Paul Ehrlich, to its development of during the 20th century and its current impact on drug discovery in the 21st century.

An account of scientific disputes over the core problems of research and practice in immunology.