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Proceedings 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 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 AyalaHistory and Philosophy of the Life Sciences|June 24, 2000
Adaptation and novelty: teleological explanations in evolutionary biologyF J AyalaScience (New York, N.Y.)|December 22, 1995
The myth of Eve: molecular biology and human originsF J AyalaBiological Research|January 1, 1993
Trypanosoma and Leishmania have clonal population structures of epidemiological significanceF J AyalaPageof 15