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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: Am J Obstet Gynecol. 2017 Feb 7;216(5):512.e1–512.e9. doi: 10.1016/j.ajog.2017.01.042

Figure 2. Logistic regression for H pylori and daily vomiting according to symptom duration.

Figure 2