Crossover designs versus parallel studies in infertility research [2] (multiple letters)
- te Velde, E.R.
- Cohlen, B.J.
- Looman, C.W.N.
- Habbema, J.D.F.
- Daya, S.
- Khan, K.S.
- Collins, J.A.
ISSN: 0015-0282
Argitalpen urtea: 1998
Alea: 69
Zenbakia: 2
Orrialdeak: 357-358
Mota: Gutuna