Part,  Chapter, Paragraph

 1    I,     2.  4    |    socio-economic groups.~ ~The explanation of this disturbing phenomenon
 2    I,     2.  6    |        all age groups, the main explanation for the drop in the number
 3   II,     5.  5.  3|   limitations may be a possible explanation of the heterogeneity of
 4   II,     5.  5.  3|         long been considered an explanation for the under- and unemployment
 5   II,     5.  6.  3|       years of age; a plausible explanation for this could be the decline
 6   II,     5. 10.  1|          EFSA, 2004). A partial explanation to the geographical variation
 7   II,     9.  3.  3| economic factors. One potential explanation for poor motivation in condom
 8  III,    10.  1.  1| economic factors. One potential explanation for poor motivation in condom
 9  III,    10.  3.  1|        particularly a plausible explanation of underlying biological
10  III,    10.  6.  2|      mortality of men~ ~ ~ ~The explanation of this disturbing phenomenon