“Friis Epidemiology 101 , 3rd Edition (EPub+Converted PDF)” has been added to your cart. Continue shopping Remove item Thumbnail image; Product Price Quantity Subtotal × Introduction to Research in the Health Sciences , 7th Edition (Original PDF from Publisher) 45$ Introduction to Research in the Health Sciences , 7th Edition (Original PDF from Publisher) quantity 45$ × Immunization and States : The Politics of Making Vaccines (Original PDF from Publisher) 21$ Immunization and States : The Politics of Making Vaccines (Original PDF from Publisher) quantity 21$ × Friis Epidemiology 101 , 3rd Edition (EPub+Converted PDF) 40$ Friis Epidemiology 101 , 3rd Edition (EPub+Converted PDF) quantity 40$ Coupon: Apply coupon Update cart Cart totals Subtotal 106$ Total 106$ Proceed to checkout