Pm reer . j : pases Tae estimated 90Sr dose to bone is maximal because additions of calcium to the dict could readily reduce 905, uptake. “It appears unlikeiy that, with moderate restrictions on living and eating nubits, tne dose to the whole body or to bone will reach 2 rads in 5 years, 1G rads in 30 years o¢ 16rads in 70 years.