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Defining the spermatogonial stem cell.
Hamra FK, Schultz N, Chapman KM, Grellhesl DM, Cronkhite JT, Hammer RE, Garbers DL. Hamra FK, et al. Among authors: grellhesl dm. Dev Biol. 2004 May 15;269(2):393-410. doi: 10.1016/j.ydbio.2004.01.027. Dev Biol. 2004. PMID: 15110708 Free article.