TY - GEN AU - KALLMAN,R F AU - STEELE,R E AU - WEISSBLUTH,M AU - BAGSHAW,M A TI - The relative biological effectiveness of 4-Mev and 200-kvp x-rays, determined by the LD50 of the 4-day-old chick embryo SN - 0033-7587 PY - 2000///0701 KW - Humans KW - Lethal Dose 50 KW - Relative Biological Effectiveness KW - X-Rays N1 - Publication Type: Journal Article ER -