| 0027 | Testicular nonseminoma and seminoma in relation to perinatal characteristics | Akre O, Ekbom A, Hsieh CC, et al. | Sweden |
| 0456 | Preterm birth, birth weight, and subsequent risk of female breast cancer | Kaijser M, Akre O, Cnattingius S, Ekbom A | Sweden |
| 0579 | Preterm birth, low birth weight, and risk for esophageal adenocarcinoma | Kaijser M, Akre O, Cnattingius S, Ekbom A | Sweden |
| 0596 | Perinatal risk factors for cancer of the esophagus and gastric cardia: a nested case-control study | Akre O, Forssell L, Kaijser M, Noren-Nilsson I, Lagergren J, Nyren O, Ekbom A | Sweden |