Part,  Chapter, Paragraph

1   II,     9.  1.  1|       Reprod (Paris) 1997;26(4):358-66.~ ~Langhoff-Roos J, Kesmodel
2   II,     9.  3.  2|       Reprod (Paris) 1997;26(4):358-66.~ ~Langhoff-Roos J, Kesmodel
3   II,     9.  3.  3|         risk behaviours. Lancet 358:1835-42.~Kangas I, Andersen
4   II,     9.  3.  3| heterosexual experience. Lancet 358(9296): 1843-1850.~Wellings