books.google.fr - Specifically for the health professional, this book contains an extensive compilation of research findings on biologic variation by race, age, and gender relating to health and illness. Completely rewritten, revised, and updated, the Second Edition includes an increased discussion of biologic variation...https://books.google.fr/books/about/Biological_Variation_in_Health_and_Illne.html?hl=fi&id=CT1GgunY_-IC&utm_source=gb-gplus-shareBiological Variation in Health and Illness