On Gastroscopy: With A Description Of A New, Easy And Efficient Method Of Oesophago-Gastroscopy is a medical book written by William Hill and first published in 1912. The book is a comprehensive guide to the use of gastroscopy, a medical procedure used to examine the inside of the stomach and other parts of the digestive system. The book begins with an introduction to gastroscopy, including its history, indications, and contraindications. It then...