Part,  Chapter, Paragraph
1   II,     5.  3.  9|  nine prospective studies. J Natl Cancer Inst 94:606-616.~ ~
2   II,     5.  4.  8| status health gradient. Proc Natl Acad Sci U S A. 14;104(33):
3   II,     9.  3.  1|    study of vulvar cancer. J Natl Cancer Inst, 1997. 89(20):