books.google.com - Twenty-five years have elapsed since the first publication of this book. The growth of basic knowledge since then has been both enormous and momentous. This has been a joyous enterprise for us. Our ability to treat acne and rosacea ef fectively has outpaced the vastly expanded understanding of their...https://books.google.com/books/about/ACNE_and_ROSACEA.html?id=0cD-CAAAQBAJ&utm_source=gb-gplus-shareACNE and ROSACEA