Michael Beer

Fertilization and pregnancy achieved by intracytoplasmic injection of sperm retrieved from testicular biopsies

Case report · Fertility and Sterility · 1995 · Last of 5 authors · 15 citations

Pregnancy achieved by intracytoplasmic injection of cryopreserved epididymal sperm microsurgically aspirated from a man with long-term vasectomy

Case report · Journal of Assisted Reproduction and Genetics · 1995 · Last of 4 authors · 1 citations