References
- Brody S, Gibbons WE, Lamb DJ (1991): Assisted reproductive techniques in the treatment of male infertility. In: Infertility in the Male. Lipshultz LI, Howards SS (Ed). St. Louis: Mosby-Year Book, pp 427–447.
- Centrola GM, Cartie RJ, Cox C (1995): Differential responses of human sperm to varying concentra-tions of pentoxyfylline with demonstration of toxicity. J Androl 16:132–142.
- Chan STW, Wang C (1987): Correlation between semen adenosine triphosphate and sperm fertilizing capacity. Fertil Steril 47:717–719.
- Chao HT, Ng HT, Tsai KL, Hong CY, Wei YH (1992): Human follicular fluid stimulates motility and velocity of washed sperm in vitro. Andrologia 24:47–51.
- Gras S, Ovensen A, Nyboe A, Anderson S, Sorensen S, Fahrenkrug J, Ottesen B (1994): Vasoactive intestinal polypeptide and peptide histidine methionine: presence in human follicular fluid and effects on DNA synthesis and steroid secretion in cultured human granulosa/lutein cells. Hum Reprod 6:1053–1057.
- Jiang CS, Kilfeather SA, Pearson RM, Turner P (1984): The stimulatory effects of caffeine, theophyl-line, lysine-theophylline and 3-isobuty1-1-methylxanthine on human sperm motility. Br J Clin Pharmacol 18:258–262.
- Mbizvo MT, Burkman LJ, Alexander NJ (1990): Human follicular fluid stimulates hyper activated motility in human sperm. Fertil Steril 54:708–712.
- Petersson RN, Freund M (1970): Profile of glucolytic enzymes activities in human spermatozoa. Fertil Steril 21:151–158.
- Said SI (1986): Vasoactive intestinal peptide. J Endocrinol Invest 9:191–200.
- Shen MR, Chiang PH, Yang RC, Hong CY, Chen SS (1991): Pentoxifylline stimulates human sperm motility both in vitro and after oral therapy. Br J Clin Pharmacol 31:711–714.
- Sigman M, Lipshultz LI, Howards SS (1991): Evaluation of the subfertile male. In: Infertility in the Male. Lipshultz LI, Howards SS (Eds). St. Louis: Mosby-Year Book, pp 179–210.
- Tash JS (1989): Protein phosphorylation: the second messenger signal transducer of flagellar motility. Cell Motil Cytoskeleton 14:332–339.
- Tash JS, Bracho GE (1994): Regulation of sperm motility: emerging evidence for a major role for protein phosphatases. J Androl 15:505–509.
- Tesarik J, Thebault A, Testart J (1992): Effects of pentoxyfylline on sperm movement characteristics in normozoospermic and asthenozoospermic specimens. J Hum Reprod 7:1257–1263.
- World Health Organization (1992): WHO Laboratory Manual for the Examination of Human Semen and Sperm-Cervical Mucus Interaction, 3d ed. Cambridge, UK: Cambridge University Press.
- Yovich JM, Edirisinghe WR, Cimmins JM, Yovich JL (1990): Influence of pentoxifylline in severe male factor infertility. Fertil Steril 53:715–722.
- Yorvich JL (1993): Pentoxifylline: actions and applications in assisted reproduction. Hum Reprod 8:1786–1791.