"Pharmacology. Fourth American Edition from the Seventh London Edition" is an important textbook in medical science written by the eminent pharmacologist John Ayrton Paris. In this book, the author systematically examines the actions and properties of medicines, their interaction with the human body, and their use in clinical practice. Due to its detail, clarity and scientific validity, the book is an indispensable source of knowledge for students of medical universities, doctors and scientists who appreciate the quality and reliability of information. "Pharmacology. Fourth American Edition from the Seventh London Edition" is a must-read for anyone interested in pharmaceutical science and wanting to expand their knowledge in this field.