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Science (New York, N.Y.)|August 28, 1981
Is a new evolutionary synthesis necessary?G L Stebbins, F J AyalaProceedings of the National Academy of Sciences of the United States of America|January 22, 1998
Origin of the metazoan phyla: molecular clocks confirm paleontological estimatesF J Ayala, A Rzhetsky, F J AyalaProceedings of the National Academy of Sciences of the United States of America|July 1, 1988
Comparative evolution: latent potentials for anagenetic advanceG L Stebbins, D L HartlProceedings of the National Academy of Sciences of the United States of America|July 22, 1997
Vagaries of the molecular clockF J AyalaBioessays : News and Reviews in Molecular, Cellular and Developmental Biology|March 10, 1999
Molecular clock miragesF J AyalaProceedings of the National Academy of Sciences of the United States of America|January 1, 1982
Genetic variation in natural populations: problem of electrophoretically cryptic allelesF J AyalaThe Journal of Heredity|July 1, 1986
On the virtues and pitfalls of the molecular evolutionary clockF J AyalaPageof 15