Part,  Chapter, Paragraph

1   II,     9        | developed over time (e.g. intracytoplasmic sperm injection) to add
2   II,     9.  1.  1| major birth defects after intracytoplasmic sperm injection and in vitro
3   II,     9.  1.  2| developed over time (e.g. intracytoplasmic sperm injection) to add
4   II,     9.  3.  2| major birth defects after intracytoplasmic sperm injection and in vitro