TY - RPRT TI - An improved sperm immobilization test based on multiple exposure photography. AU - Z Blumenfeld AU - A Makler AU - H Gershon AU - J M Brandes PY - 1985 DO - 10.1111/j.1600-0897.1985.tb00259.x UR - https://pubmed.ncbi.nlm.nih.gov/3985254/ ID - 3985254 ER -