Part,  Chapter, Paragraph
1   II,     5.  8.  3| 40 and 69 years is 9.1% (Sobradillo Pena et al, 2000).~ ~WHO-HFA
2   II,     5.  8.  7| 370: 765-773.~ ~Masa JF, Sobradillo V, Villasante C, Jimenez-Ruiz