3. Health Information
3a Populations - Meic Goodyear, Neeraj Malhotra 2007, revised in 2016 by Meic Goodyear and in 2018 by Sarah Seager
3b Sickness and Health - Meic Goodyear, Neeraj Malhotra 2007, revised in 2018 by David Lawrence
3c Applications - Meic Goodyear, Neeraj Malhotra 2007, revised in 2018 by David Lawrence