Benn PA and Hsu. LYF.   Prenatal diagnosis of chromosome abnormalities through amniocentesis. In, Genetic disorders and the fetus.  Ed. Milunsky, A.  Fifth Edition.  2004. p 214-296. 

Benn P. (2003). Improved antenatal screening for Down syndrome.  Lancet. 361;794-5. 

Benn PA, Ying J. (2003). Preliminary estimate for the second-trimester maternal serum screening detection rate of the 45,X karyotype using alpha-fetoprotein, unconjugated estriol and human chorionic gonadotropin.  J Mat-Fetal Neonat Med. 14:1-6.

Souter VL, Nyberg DA, Benn PA, Zebelman A, Luthardt F, Luthy DA.  (2004) Correlation of second-trimester sonographic and biochemical markers.  J Ultrasound Med. 23;505-511.

Pinette MG, Egan JFX, Wax JR, Blackstone J, Cartin, A, Benn PA. (2003). Combined sonographic and biochemical markers for Down syndrome screening. J Ultrasound Med.  22; 1185-1190.

Benn PA, Fang M, Egan JFX, Horne D, Collins R.  (2003). Incorporation of Inhibin-A in second-trimester screening for Down syndrome.  Obstet Gynecol 101; 451-454.

Abbott MA, Benn PA.  (2002). Prenatal genetic diagnosis of Down syndrome. Expert Review of Molecular Diagnostics. 2; 89-99.

Benn PA. (2002). Advances in prenatal screening for Down syndrome: I general principles and second trimester testing.  Clinica Chimica Acta.323:1-16.

Benn PA. (2002). Advances in prenatal screening for Down syndrome: II first trimester testing and future directions. Clinica Chimica Acta.324:1-11.

Benn, Kaminsky LM, Ying J, Borgida AF, Egan JFX. (2002). Combined second trimester biochemical and ultrasound screening for Down syndrome.  Obstet Gynecol. 100 ; 1168-76.

Egan JFX, Kaminsky LM, DeRoche ME, Barsoom MJ, Borgida AF, Benn PA. (2002). Antenatal Down syndrome screening in the U. S. in 2001: A survey of maternal-fetal medicine specialists.  Am J Obstet Gynecol. 187; 1230-4.

Benn PA, Egan JFX, Ingardia CJ. (2002). Extreme second trimester serum analytes in Down syndrome pregnancies with hydrops fetalis.  J Mat-Fetal Neonat Med; 11:1-4.

Egan JFX, Malakh L, Turner G, Markenson G, Wax J, Benn PA. (2001). Role of ultrasound for Down syndrome screening of the advanced maternal age population. Am J Obstet Gynecol; 185:1028-31.

Benn PA, Gainey A, Ingardia CJ, Rodis JF, Egan JFX. (2001) Second trimester maternal serum analytes in triploid pregnancies: correlation with phenotype and sex chromosome complement.  Prenat Diagn. 21; 680-686.

Benn PA, Collins R. (2001). Evaluation of analytical precision in maternal serum screening for Down syndrome.  Ann Clin Biochem. 38, 28-36. 

Benn PA, Ying J, Beazoglou T, Egan JFX.  (2001). Estimates for the sensitivity and false-positive rates for second trimester serum screening for Down syndrome and trisomy 18 with adjustment for cross-identification and double-positive results.  Prenatal Diagnosis, 21, 46-51.

Egan JFX, Benn PA, Borgida A, Rodis JF, Campbell WA, Vintzileos AM. (2000). Efficacy of screening for fetal Down syndrome in the US from 1974 to 1997. Obstetrics and Gynecology, 96, 979-85.

Chen J, Heffley D, Beazoglou T, Benn PA. (2000). Utilization of amniocentesis by women screen-positive for Down syndrome by the second trimester triple test. Community Genetics, 3, 24-30.

Tanski S, Shulman Rosengren S, Benn PA (1999). The predictive value of the triple screening test for the phenotype of Down syndrome. Am J Med Genet; 85, 123-126.

Benn PA, Leo MV, Rodis JF, Beazoglou T, Collins R, Horne D (1999). Maternal serum screening for trisomy 18: a comparison of fixed cut-off and patient-specific risk protocols. Obstet Gynecol. 93;707-711.

Benn PA. A review of trisomy 16 and trisomy 16 mosaicism (1998). Am J Med Genet; 79:121-133.

Benn P, Devi A. (1998). X-chromosome abnormalities in women with premature ovarian failure. J Reprod. Med. 44;321-324.

Benn PA. (1997). Aging human telomeres: parallel studies with terminal repeat and telomere associated probes. Mechanisms Aging Develop; 99:153-166.