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Alden, Kathryn Rhodes, Kitty Cashion, Deitra Leonard Lowdermilk, and Shannon E. Perry. Maternity and Women's Health Care. Twelfth edition. St. Louis, Missouri: Elsevier, 2020.

Alden, Kathryn Rhodes, et al. Maternity and Women's Health Care. Twelfth edition. Elsevier, 2020.