[Effect of 1 alpha-OH-D on senile osteoporosis].
D000368:Aged; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000188:drug therapy*
D006887:Hydroxycholecalciferols; C008088:alfacalcidol