TY - RPRT TI - Gamma-rays kill grasshopper primary spermatocytes in groups. AU - A A Al-Taweel AU - M A Shawkit AU - D P Fox PY - 1985 DO - 10.1016/0027-5107(85)90184-8 UR - https://pubmed.ncbi.nlm.nih.gov/4022040/ ID - 4022040 ER -