TY - RPRT TI - X-RAYS: ARE THERE CYCLIC VARIATIONS IN RADIOSENSITIVITY? AU - R RUGH AU - V CASTRO AU - S BALTER AU - E V KENNELLY AU - D S MARSDEN AU - J WARMUND AU - M WOLLIN PY - 1963 DO - 10.1126/science.142.3588.53 UR - https://pubmed.ncbi.nlm.nih.gov/14057352/ ID - 14057352 ER -