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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1998 1
1999 1
2002 1
2009 1
2020 0
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Page 1
Maternal serum theobromine and the development of preeclampsia.
Klebanoff MA, Zhang J, Zhang C, Levine RJ. Klebanoff MA, et al. Epidemiology. 2009 Sep;20(5):727-32. doi: 10.1097/EDE.0b013e3181aba664. Epidemiology. 2009. PMID: 19535985
Maternal serum caffeine metabolites and small-for-gestational age birth.
Klebanoff MA, Levine RJ, Clemens JD, Wilkins DG. Klebanoff MA, et al. Am J Epidemiol. 2002 Jan 1;155(1):32-7. doi: 10.1093/aje/155.1.32. Am J Epidemiol. 2002. PMID: 11772782
Serum cotinine concentration and self-reported smoking during pregnancy.
Klebanoff MA, Levine RJ, Clemens JD, DerSimonian R, Wilkins DG. Klebanoff MA, et al. Am J Epidemiol. 1998 Aug 1;148(3):259-62. doi: 10.1093/oxfordjournals.aje.a009633. Am J Epidemiol. 1998. PMID: 9690362
Maternal serum paraxanthine, a caffeine metabolite, and the risk of spontaneous abortion.
Klebanoff MA, Levine RJ, DerSimonian R, Clemens JD, Wilkins DG. Klebanoff MA, et al. N Engl J Med. 1999 Nov 25;341(22):1639-44. doi: 10.1056/NEJM199911253412202. N Engl J Med. 1999. PMID: 10572151 Free article.