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Assisted reproductive technology in Europe, 1998. Results generated from European registers by ESHRE
Autor:
A N Andersen, K G Nygren
Publikováno v:
Human Reproduction. 16:2459-2471
European results of assisted reproductive techniques from treatments initiated during 1998 are presented in this second ESHRE report. Data was collected from 18 European countries usually from pre-existing national registers. A total of 521 clinics f