Hourvitz, A., Shulman, A., Madjar, I., Levron, J., Levran, D., Mashiach, S., & Dor, J. (1998). In Vitro Fertilization Treatment for Severe Male Factor: A Comparative Study of Intracytoplasmic Sperm Injection with Testicular Sperm Extraction and with Spermatozoa from Ejaculate. Kluwer Academic Publishers-Plenum Publishers.

Hourvitz, Ariel, Adrian Shulman, Igael Madjar, Jacob Levron, David Levran, Shlomo Mashiach, und Jehoshua Dor. In Vitro Fertilization Treatment for Severe Male Factor: A Comparative Study of Intracytoplasmic Sperm Injection With Testicular Sperm Extraction and With Spermatozoa From Ejaculate. Kluwer Academic Publishers-Plenum Publishers, 1998.

Hourvitz, Ariel, et al. In Vitro Fertilization Treatment for Severe Male Factor: A Comparative Study of Intracytoplasmic Sperm Injection With Testicular Sperm Extraction and With Spermatozoa From Ejaculate. Kluwer Academic Publishers-Plenum Publishers, 1998.