Robert Callahan

Active 1961–2005

47
Papers
8,869
Citations
47
h-index
47
i10-index

Self-citations are included in these numbers.

Citations per year

Citations

Citations per year for Robert Callahan1962: 1 citations1963: 3 citations1964: 1 citations1965: 1 citations1966: 4 citations1968: 8 citations1969: 4 citations1970: 2 citations1971: 7 citations1972: 3 citations1973: 5 citations1974: 8 citations1975: 8 citations1976: 12 citations1977: 10 citations1978: 14 citations1979: 7 citations1980: 3 citations1981: 8 citations1982: 5 citations1983: 5 citations1984: 13 citations1985: 23 citations1986: 13 citations1987: 23 citations1988: 38 citations1989: 65 citations1990: 67 citations1991: 69 citations1992: 89 citations1993: 99 citations1994: 85 citations1995: 100 citations1996: 69 citations1997: 67 citations1998: 52 citations1999: 52 citations2000: 81 citations2001: 91 citations2002: 87 citations2003: 72 citations2004: 95 citations2005: 96 citations2006: 85 citations2007: 100 citations2008: 66 citations2009: 72 citations2010: 80 citations2011: 43 citations2012: 45 citations2013: 54 citations2014: 59 citations2015: 43 citations2016: 31 citations2017: 29 citations2018: 30 citations2019: 72 citations2020: 100 citations2021: 61 citations2022: 60 citations2023: 28 citations2024: 27 citations2025: 11 citations2026: 1 citations1967: no citations, so this year is not shown

Citation sources

Countries

This corpus build does not record which country the citing authors are in, so the country breakdown is not computed. The other breakdowns below are unaffected.

Fields

  • Biochemistry, Genetics and Molecular Biology45.3%
  • Medicine43.6%
  • Immunology and Microbiology5.2%
  • Agricultural and Biological Sciences2.9%
  • Neuroscience1.5%
  • Environmental Science0.6%
  • Other1%

Topics

  • Developmental Biology and Gene Regulation18.5%
  • Preterm Birth and Chorioamnionitis11.8%
  • Cancer-related Molecular Pathways9%
  • Angiogenesis and VEGF in Cancer7%
  • Epigenetics and DNA Methylation7%
  • Cancer Cells and Metastasis6.5%
  • Other40.2%

Frequent coauthors

All papers

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Robert Callahan | Litlas