References
- Cohen J., Malter H. E., Talansky B. E. Microsurgical fertilization. A Textbook of in-vitro Fertilization and Assisted Reproduction, P. R. Brinsden, P. A. Rainsbury. Parthenon Publishing Group, Carnforth 1992; 205–226
- Krzyminska U. B., Leung P., O'Neill C., Pike I. L. Micro-insemination by sperm transfer. Lancet 1992; i: 375
- Yovich J. M., Edirisinghe W. R., Cummins J. M., Yovich J. L. Influence of pentoxifylline in severe male factor infertility. Fert Steril 1990; 53: 715–722