Part,  Chapter, Paragraph

 1   II,     5.  2.  6| cholesterol levels and CVD risk~Observational studies performed in the
 2   II,     5.  5.  3|       treatment in epilepsy: an observational study in an unselected population
 3   II,     5.  5.  3|      Iceland provides a 50-year observational period in a well-defined
 4   II,     5.  6.  6|   fracture in men and women: an observational study. Lancet 353:878-882~
 5   II,     5.  8.  7|   emphysema: a population-based observational study on prevalence and
 6   II,     5. 11.  6|      studies could initially be observational studies based on data already
 7   II,     9.  3.  1|       more often than men. Some observational studies suggest the potential
 8  III,    10.  1.  1|      performing or interpreting observational studies it is critically
 9  III,    10.  2.  1|        information derives from observational and intervention studies.
10  III,    10.  2.  2|    Plasma cholesterol levels.~ ~Observational studies performed in the
11  III,    10.  2.  3|       and in women, at any age. Observational epidemiological data confirm
12  III,    10.  4.  5|    biomonitoring, both in human observational studies and in toxicological
13  III,    10.  5.  2| Northeast Scotland: prospective observational study. BMJ, 317: 576-8.~ ~
14   IV,    11.  1.  5|       2004; Mainz et al, 2004). Observational evidence from the US shows