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Journal: Bull Environ Contam Toxicol Date: 1994-03 Impact factor: 2.151

4. The power of a test for seasonality.

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Journal: Br J Prev Soc Med Date: 1977-06

5. Seasonality in twin birth rates, Denmark, 1936-84.

Authors: B Bonnelykke; J Søgaard; J Nielsen
Journal: J Epidemiol Community Health Date: 1987-12 Impact factor: 3.710

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Journal: Br Med J Date: 1973-03-31

7. Cyclic variations in date of last menstrual period of mothers of infants with congenital malformations in South Wales, 1964-66.

Authors: C J Roberts; C R Lowe; S Lloyd
Journal: Br J Prev Soc Med Date: 1972-11

8. Monthly variation in the pattern of extramural psychiatric care.

Authors: M Balestrieri; P Williams; R Micciolo; M Tansella
Journal: Soc Psychiatry Date: 1987

9. Facial clefts in the west of Scotland in the period 1980-1984: epidemiology and genetic diagnoses.

Authors: D R FitzPatrick; P A Raine; J G Boorman
Journal: J Med Genet Date: 1994-02 Impact factor: 6.318

10. Seasonal variation in the frequency of anencephalus and spina bifida births in the United Kingdom.

Authors: M H Maclean; A MacLeod
Journal: J Epidemiol Community Health Date: 1984-06 Impact factor: 3.710