By Czeizel A.E.   Rockenbauer M.   Sorensen H.T.   Olsen J.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|95|1|119-126

Elsevier‎(2001)‎

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By Czeizel A.E.   Rockenbauer M.   Sorensen H.T.   Olsen J.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|97|2|188-192

Elsevier‎(2001)‎

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By Nielsen I.L.   Thulstrup A.M.   Nielsen G.L.   Larsen H.   Vilstrup H.   Sorensen H.T.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|102|2|202-205

Elsevier‎(2002)‎

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By Eros E.   Czeizel A.E.   Rockenbauer M.   Sorensen H.T.   Olsen J.   in European Journal of Obstetrics and Gynecology and Reproductive Biology

ISSN:0301-2115|101|2|147-154

Elsevier‎(2002)‎

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By Floyd A.   Pederson L.   Lauge Nielsen G.   Thorlacius-Ussing O.   Sorensen H. T.   in Scandinavian Journal of Gastroenterology

ISSN:0036-5521|37|12|1461-1465

Informa Healthcare‎(2002)‎

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