Does parental farm upbringing influence the risk of asthma in offspring? A three-generation study

1. Timm, S.
2. Svanes, C.
3. Frydenberg, M.
4. Sigsgaard, T.
5. Holm, M.
6. Janson, C.
7. Bråbäck, L.
8. Campbell, B.
9. Kjaer Madsen, M.
10. Jõgi, N.O.
11. Jõgi, R.
12. Schiöler, L.
13. Bertelsen, R.J.
14. Johannessen, A.
15. Sanchez-Ramos, J.L.
16. Martinez-Moretalla, J.
17. Dratva, J.
18. Dharmage, S.
19. Schlünssen, V.