What can we infer from findings in subgroups?

نویسنده

  • M Hatch
چکیده

4. Hatch M. What can we infer from findings in subgroups Epidemiology 1995;6:473-5. 5. Hill AB. The environment and disease causation. Proc R Soc Med 1965,58:295-300. 6. Wilcox A, Weinbcrg C, Baird D. Caffeinated beverages and decreased fertility. Lancet 1988;2; 1453-5. 7 Hatch EE, Bracken MB. Association of delayed conception and caffeine consumption. Am J Epidemiol 1994; 138: 1082-92 8 Olsen J. Cigarette smoking, tea and coffee drinking, and subfecundity. Am J Epidemiol 1991;133:734-9. 9. Joesoef M, Beral V, Rolfs R, et al. Are caffeinated beverages risk factors for delayed conception? Lancet 199O;335:136-7. 10. Cromwell O. Letter to the general assembly of the Church of Scotland, August 3, 1650. In: Bartlett J. Familiar quotations, 15th ed. (Beck EM, ed.). BostonLittle Brown & Co, 1980: 272.

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عنوان ژورنال:
  • Epidemiology

دوره 6 5  شماره 

صفحات  -

تاریخ انتشار 1995