Part,  Chapter, Paragraph

1   II,     9.  1.  1| Bertollini R, DiLallo D, Spadea T, Perucci C. Cesarean (
2   II,     9.  3.  2| Bertollini R, DiLallo D, Spadea T, Perucci C. Cesarean (
3  III,    10.  6.  2| Rasmussen NK, Regidor E, Spadea T, and Mackenbach JP (2005):