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Advanced maternal age: the mature gravida.
Kirz DS, Dorchester W, Freeman RK. Kirz DS, et al. Am J Obstet Gynecol. 1985 May 1;152(1):7-12. doi: 10.1016/s0002-9378(85)80166-6. Am J Obstet Gynecol. 1985. PMID: 3993714
Anion gap determination in preeclampsia.
Matsumoto LC, Kirz DS, Shott S, Leak B. Matsumoto LC, et al. Among authors: kirz ds. Obstet Gynecol. 1998 Mar;91(3):379-82. doi: 10.1016/s0029-7844(97)00694-7. Obstet Gynecol. 1998. PMID: 9491864