T. Yokota

Isolation of cDNA for a Xenopus sperm-specific basic nuclear protein (SP4) and evidence for expression of SP4 mRNA in primary spermatocytes.

H. Nishida, S. Abe, G. Eguchi, 1991, Experimental cell research.

Nuclear Basic Proteins of Xenopus laevis Sperm: Their Characterization and Synthesis during Spermatogenesis

K. Takamune, C. Katagiri, T. Yokota, 1991, Development, growth & differentiation.