Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 17 checked references that resolve
resolves10.1016/0022-1910(96)00037-6Insemination through an externally attached spermatophore: Bundled sperm and post-copulatory mate guarding by male fishflies (Megaloptera: Corydalidae)
resolves10.1071/RD9960605Gamete biology of the new world marsupial, the grey short-tailed opossum, Monodelphis domestica
resolves10.1038/293055a0Testis weight, body weight and breeding system in primates
resolves10.1007/BF00197004Dynamics of space use and male vigour amongst wood mice, Apodemus sylvaticus, in the cereal ecosystem
resolves10.1002/j.1939-4640.1996.tb00586.xFertilizing Capacity of Rat Spermatozoa Is Correlated With Decline in Straight‐Line Velocity Measured by Continuous Computer‐Aided Sperm Analysis: Epididymal Rat Spermatozoa From the Proximal Cauda Have a Greater Fertilizing Capacity <i>In Vitro</i> Than Those From the Distal Cauda or Vas Deferens
resolves10.1002/j.1939-4640.1997.tb01925.xObjectively Measured Boar Sperm Motility Parameters Correlate With the Outcomes of On‐Farm Inseminations: Results of Two Fertility Trials
resolves10.1128/MCB.9.5.1875Identification and developmental expression of a smooth-muscle gamma-actin in postmeiotic male germ cells of mice.
resolves10.1038/12729Globozoospermia in mice lacking the casein kinase II α′ catalytic subunit
The 12 references without a DOI — listed, not checked
no DOI — not checkedBirkhead, T. R. & Moller, A. P. Sperm Competition and Sexual Selection (Academic, London, 1996)
no DOI — not checkedTrivers, R. Social Evolution (Benjamin Cummings, California, 1985)
no DOI — not checkedSivinski, J. in Sperm Competition and the Evolution of Animal Mating Systems (ed. Smith, R. L.) 223–249 (Academic, Orlando, 1984)
no DOI — not checkedBaker, R. R. & Bellis, M. A. Human Sperm Competition (Chapman Hall, London, 1995)
no DOI — not checkedMoore, H. D., Martin, M. & Birkhead, T. R. No evidence for killer sperm or other selective interactions between human spermatozoa in ejaculates of different males in vitro. Proc. R. Soc. Lond. B 266, 2243–2350 (1999)
no DOI — not checkedHanak, V. & Mazak, V. Mammals (Aventinum, Prague, 1979)
no DOI — not checkedBedford, J. M. in The Spermatozoon (eds Fawcett, D. W. & Bedford, J. M.) 7–21 (Urban and Schwarzenberg, Baltimore, 1979)
no DOI — not checkedYanagimachi, R. in Physiology of Reproduction (eds Knobil, E. & Neil, J.) 189–317 (Raven Press, New York, 1994)
no DOI — not checkedFriend, G. F. The sperms of British muridae. Quart. J. Micro. Sci. 78, 419–443 (1936)
no DOI — not checkedMoore, H. D., Hartman, T. D., Brown, A. C., Smith, C. A. & Ellis, D. A. Expression of sperm antigens during spermatogenesis and maturation detected with monoclonal antibodies. Exp. Clin. Immunogenet. 2, 84–96 (1985)
no DOI — not checkedDawkins, R. The Selfish Gene (Oxford Univ. Press, Oxford, 1976)
no DOI — not checkedDe Kretser, D. M. & Kerr, J. B. in Physiology of Reproduction (eds Knobil, E. & Neil, J.) 1177–1290 (Raven Press, New York, 1994)
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