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

Year Number of Results
1963 1
1965 2
1966 2
1972 1
1975 1
1977 1
1995 2
2022 0
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Page 1
Tissue-specific antigens in human embryonic placenta.
Botev BA, Kehayov IR, Kyurkchiev SD, Stamenova MI, Bratanova TK. Botev BA, et al. Among authors: bratanova tk. C R Acad Bulg Sci. 1977;30(5):763-6. C R Acad Bulg Sci. 1977. PMID: 71979 No abstract available.