References
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- Nistal M., Paniagua R. Morphogenesis of round-headed human spermatozoa lacking acrosomes in a case of severe teratozoospermia. Andrologia 1978; 10: 49–52
- Syms A. J., Johnson A., Lipshultz L. I., Smith R. G. Studies on human spermatozoa with round head syndrome. Fertility and Sterility 1984; 41: 17S–18S