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  1. 1961
  2. 1962
    “…METHODS: To find at least 4 observational studies that evaluated the same treatment, we reviewed meta-analyses comparing observational studies and randomized controlled trials for the assessment of medical treatments. …”
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  3. 1963
    por Feizi, T
    Publicado 1990
    “…This brief communication highlights some observations that have raised the possibility that the oligosaccharides of glycoproteins may have roles as ligands or recognition structures in cell growth regulation. …”
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  4. 1964
  5. 1965
  6. 1966
  7. 1967
  8. 1968
    por Stoeckenius, Walther
    Publicado 1963
    “…A particulate component of mitochondria is described which is observed in negatively stained preparations of unfixed whole mitochondria or their fragments. …”
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  9. 1969
  10. 1970
  11. 1971
    por Rattner, J. B.
    Publicado 1972
    “…Two periods of centriole formation were observed, a first in cells in transition between zygotene and pachytene and a second in the secondary spermatocytes. …”
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  12. 1972
  13. 1973
  14. 1974
  15. 1975
    “…The preceding observations record a new instance of the occurrence of cyclic albuminuria in an otherwise apparently healthy young man. …”
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  16. 1976
  17. 1977
  18. 1978
  19. 1979
  20. 1980
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