| 0005 | Obstetric pain medication and eventual adult amphetamine addiction in offspring | Jacobson B, Nyberg K, et al. | Stockholm, Sweden |
| 0006 | Opiate addiction in adult offspring through possible imprinting after obstetric treatment | Jacobson B, Nyberg K, et al. | Stockholm, Sweden |
| 0007 | Socio-economic versus obstetric risk factors for drug addiction in offspring | Nyberg K, Allebeck P, Eklund G, Jacobson B | Sweden |
| 0008 | Obstetric medication versus residential area as perinatal risk factors for subsequent adult drug addiction in offspring | Nyberg K, Allebeck P, Eklund G, Jacobson B | Sweden |
| 0032 | Studies of perinatal events as potential risk factors for adult drug abuse | Nyberg K | Stockholm |
| 0295 | Perinatal medication as a potential risk factor for adult drug abuse in a North American cohort | Nyberg K, Buka SL, Lipsitt LP | USA |