Part,  Chapter, Paragraph

1    I,     2.  7    |     comprising the cities of Boston, Philadelphia, New York and Washington
2   II,     5.  9.  7| Pharmacoeconomics in Cinical Trials. Philadelphia: Lippincot-Raven Press,
3   IV,    11.  6.  5|            eds. Modern epidemiology. Philadelphia: Lippincott-Raven 2nd ed.,