Hematology We love providing medical professionals, nurses, and nursing students products that make their jobs or studies easier. They live to help others, so we want to help them. By popular demand, this reference guide covers an immense amount of information in 6 laminated pages that will help anyone in the medical field that works with or around the study of blood (morphology, physiology and pathology). For more, get our Pathology 1 and 2 guides, Nursing Lab Values and Lymphatic System anatomy for a set.