WU, Z.; LUBY-PHELPS, K.; BUGDE, A., et al. Capacity for stochastic self-renewal and differentiation in mammalian spermatogonial stem cells.. J Cell Biol. Nov 2009, roč. 187, čís. 4, s. 513–24. doi:10.1083/jcb.200907047. PMID19948499.
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WU, Z.; LUBY-PHELPS, K.; BUGDE, A., et al. Capacity for stochastic self-renewal and differentiation in mammalian spermatogonial stem cells.. J Cell Biol. Nov 2009, roč. 187, čís. 4, s. 513–24. doi:10.1083/jcb.200907047. PMID19948499.