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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1954 1
1955 1
1957 1
1958 2
1959 2
1961 3
1970 1
1971 5
1972 2
1973 7
1974 4
1975 1
1976 1
1978 1
1979 1
1981 2
1982 2
1987 2
2021 0
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Article type
Publication date

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39 results
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Page 1
Seasonal patterns of conception in New York City.
Erhardt CL, Nelson FG, Pakter J. Erhardt CL, et al. Among authors: pakter j. Am J Public Health. 1971 Nov;61(11):2246-58. doi: 10.2105/ajph.61.11.2246. Am J Public Health. 1971. PMID: 5112972 Free PMC article. No abstract available.
39 results
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