Show blood donations they an say there are two schools of opinion on how frequently a person may th donate ate whole blood there are some some wo who believe cc at inter vats vals of a week or more is safe while some others say a y that if cc or less is donat donated d male donors may be used four or live five times at in a fervid of one to five days without ill results one investigator and his 13 colleagues found that hemoglobin regeneration in a 10 kg dog me may be as rapid as 75 got gm per week at th this 8 to rate t e a 60 kg man would be able to synthesize in one week s six times the hemoglobin he gives in each donation it is said |