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Preterm birth rate increased 60 percent in 50 years (US)

Created by admin. Last Modification: Saturday December 23, 2017 11:30:22 UTC by admin. (Version 7)

Attached files

ID Name Comment Uploaded Size Downloads
8823 PTB trend.jpg admin 26 Nov, 2017 21:15 25.58 Kb 17
8822 premature 1950, 1960.jpg admin 26 Nov, 2017 21:15 22.93 Kb 21
8821 PTB US trend.jpg admin 26 Nov, 2017 21:12 29.01 Kb 55
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