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[Evaluation of the association of a serum marker and second trimester ultrasonography for the screening of trisomy 21 in women of less than 38 years. Prospective study of 5,163 patients].
Lefebvre G, Vauthier-Brouzes D, Choukroun JB, Sebagh E, Bernard M, Brochet C, Lesourd S, Darbois Y. Lefebvre G, et al. Among authors: choukroun jb. J Gynecol Obstet Biol Reprod (Paris). 1998 Oct;27(6):599-604. J Gynecol Obstet Biol Reprod (Paris). 1998. PMID: 9854223 Free article. Clinical Trial. French.
[In vitro fertilization. Analysis of results after the first 2 years' activity].
Lefebvre G, Vauthier D, Camus M, Darbois Y, Gonzales J, Lesourd S, Lagoguet M, Antreassian J, Choukroun JB, Sebagh E, et al. Lefebvre G, et al. Among authors: choukroun jb. J Gynecol Obstet Biol Reprod (Paris). 1988;17(1):103-9. J Gynecol Obstet Biol Reprod (Paris). 1988. PMID: 3351202 French.