Segal, N.L. (1983).  Twin studies of schizophrenia. Biological Psychiatry, 18, 1333-1335.

Segal, N.L. (1984).  Handedness in determination of twin types.  Archives of Neurology, 41, 14.

Segal, N.L. (1984).  Asymmetries in monozygotic twins.  American J. of Psychiatry, 141,1638.

Segal, N.L. & Bouchard, T. J., Jr. (1984).  Zygosity diagnosis of twins in medical research.   Archives of Internal Medicine, 144, 1505, 1509.

Segal, N.L. (1986). MZ or DZ? Not even their hairdresser knows for sure. J. Forensic Sci, 31, 10-11.

Segal, N.L. (1988). Letter to the Editor.  Birth, 15, 105.

Segal, N.L., Dysken, M., Bouchard, T.J., Jr., Pedersen, N.L., Eckert, E.D. & Heston, L.L. (1990).  Letter to the Editor. Reply to: Ifill-Taylor, D. (1990). Diagnosis of Tourette's Disorder.American Journal of Psychiatry, 147, 1386.

Bouchard, T.J., Jr., Lykken, D.T., McGue, M., Segal, N.L. & Tellegen, A. (1990).  When kin correlations are not squared.  Science, 250, 1498.

Bouchard, T.J., Jr., Lykken, D.T., McGue, M., Segal, N.L. & Tellegen, A. (1991). Response: R.M. Dudley. Science, 252, 191-192.

Bouchard, T.J., Jr., Arvey, R.D., Keller, L.M. & Segal, N.L. (1992). Genetic influences on job satisfaction:  A reply to Cropanzano and James. Journal of Applied Psychology, 77, 89-93.

Segal, N.L. (1992). Twinning and AIDS: Alternative explanations.Human Biology, 64, 623-624.

Segal, N.L. (1992).A methodological comment in response to Hepper (1988). Perception, 21, 277-278.

Segal, N.L. (1994).  Letter in response to Dungy, Cooper, & Wacker (1993). Journal of Developmental and Behavioral Pediatrics, 5, 146.

Segal, N.L. (1995). Document the method of twin classification: twins with pulmonary adenocarcinoma. Chest, 107, 1181.

Segal, N.L. (1998). Double trouble. New York Times Book Review, January 18, 1998, p. 4.

Segal, N.L. (1999). Twins’ author rebuts. Boston Globe, October 24, 1999, p. N16.

Segal, N.L. (2001). Brave new world of cloning. Los Angeles Times, December 8, 2001, p. B23.

Segal, N.L. (2001). Letter to the editor: Interventional Neuroradiology, 7, 363.

Segal, N.L. (2002). Commentary on: Rubocki et al. Natural DNA mixtures generated in fraternal twins in utero. Journal of Forensic Sciences, 47, 1174.

Segal, N.L. (2003). Soft contact lens wear in identical twins. Cornea, 22, 582.

Segal, N.L. (2003). Letter to the Editor: Comment on Gray et al. (2002): Two sets of twins with selective mutism: Neuropsychological findings. Child Neuropsychology, 9, 157-158.

Segal, N.L. (2005). Letter to the Editor: Twice the explanation. New York Times, online, December 6, 2005.

Segal, N.L. (2005). Letter to the Editor: conjoined twins. New York Times, online, December 27, 2005.

Segal, N.L. (2006). Letter to the Editor: Twin zygosity must be established. Journal of Developmental and Behavioral Pediatrics, 27, 426.

Segal, N.L. (2007). Monozygotic twins: Chorionicity and more. Prenatal Diagnosis, 27,1084-1084; (19 October, 2007), DOI: 10.1002/pd.1851.

Segal, N.L. (2010). Identical Values. New York Times, September 7, 2010, D-7.

Segal, N.L., Gottesman, I.I., Martin, N,G., Turkheimer, E., & Gatz, M. The value of twin studies: A response to Slate Magazine (August, 2011). http://www.slate.com/articles/life/twins/2011/08/double_inanity.html

Segal, N.L. (2012). Comment on: "Solvent exposure and Parkinson disease risk in twins."  Annals of Neurology, 72, 24; DOI: 10.1002/ana.23624; see reply: DOI: 10.1002/ana.22629 (p. 24).

http://authorservices.wiley.com/bauthor/onlineLibraryTPS.asp?DOI=10.1002/ana.23624&ArticleID=998331

Segal (2012). Twins, Birth Weight, Cognition and Handedness. Comment on Raznahan, A., et al. (2012). Prenatal growth in humans and postnatal maturation into late adolescence. Proceedings of the National Academy of Sciences, September, 2012.
(letter): www.pnas.org/cgi/doi/10.1073/pnas.1213701109
(reply): www.pnas.org/cgi/doi/10.1073/pnas.1214891109

Segal, N.L. (2012). The Tests are Standard, but the Twins are Not. Letter to the Editor, New York Times, (Response to Testing My Twins, Hollander, C.N.

New York Times, Sunday Review, October 21, 2012, p. 8), New York Times, October 27, 2012, p. A22; online October 26, 2012.
http://www.nytimes.com/2012/10/27/opinion/the-tests-are-standard-but-the-twins-are-not.html?_r=1

Segal, N.L. (24, August 2013). Twins in space, New Scientist, 2931 (issue no), p. 31.

Segal, N.L. (2013). Comment: Ridaura, Faith, Rey, Cheng, Duncan, Kau, et al. (2013). Gut microbiota from twins discordant for obesity modulate metabolism in mice. Science, http://comments.sciencemag.org/content/10.1126/science.1241214.

Segal, N.L., & Torres J.L. (2013). A repeated grammatical error does not make it right. The American Statistician, 64, 266.  
http://www.tandfonline.com/doi/full/10.1080/00031305.2013.834269#.UorbAhaRrdk

Segal, N.L. (2014). Twin studies require accurate knowledge of twin type. Facial changes caused  by smoking: A comparison of smoking and nonsmoking identical twins. Journal of Plastic and Reconstructive Surgery, 133(5), 718c-719c.

Segal, N.L. & Torres, J.L. (2014). Comment by Holland and Reply. The American Statistician, 67, 127-128.

Segal, N.L. (2014). Twin studies require accurate knowledge of twin type. Plastic and Reconstructive Surgery, 133(5), 718c-719c.

Segal, N.L., & Diamond, M. (2014). Identical reared apart twins concordant for transsexuality. Journal of Experimental and Clinical Medicine, 6, 74. DOI 10.1016/j.jecm.2014.02.007.

Craig, J.M. Hopper, J.L., Rankin, M., Denton, J., & Segal, N.L. (18 October, 2016). Same sex twins should give consent for zygosity testing except when medically necessary. British Medical Journal, 355: i5584, doi: http://dx.doi.org/10.1136/bmj.i5584



Segal, N.L., & Kanazawa, S. (20 January, 2017). Does breast milk have a sex bias? New York Times (Gray Matter -- Sunday Review), p. 8.
https://www.nytimes.com/2017/01/21/opinion/sunday/does-breast-milk-have-a-sex-bias.html

Segal, N.L. “The Paths Not Taken.” The New Yorker Magazine, response to Joshua Rothman, “In Another Life,” December 21, 2020. (January 25, 2021), p. 3.