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Citation: Jd. Weeks et Lj. Kozak, Trends in the use of episiotomy in the United States: 1980-1998, BIRTH, 28(3), 2001, pp. 152-160

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Citation: Lj. Kozak et al., Trends in avoidable hospitalizations, 1980-1998, HEAL AFFAIR, 20(2), 2001, pp. 225-232

Authors: Curtin, SC Kozak, LJ Gregory, KD

Citation: Sc. Curtin et al., US cesarean and VBAC rates stalled in the mid-1990s, BIRTH, 27(1), 2000, pp. 54-57

Authors: Curtin, SC Kozak, LJ

Citation: Sc. Curtin et Lj. Kozak, Decline in US cesarean delivery rate appears to stall, BIRTH, 25(4), 1998, pp. 259-262