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Journal
Am J Epidemiol
Volume
142
Issue
11
Pages
1184-93
Publication year
1995
Suggested citation
Olsen P, Laara E, Rantakallio P, Jarvelin MR, Sarpola A, Hartikainen AL. Epidemiology of preterm delivery in two birth cohorts with an interval of 20 years. Am J Epidemiol. 1995; 142(11): 1184-93.