Last week two Johns Hopkins surgeons told how a bit of bird lore inspired a useful medical discovery. A Boston colleague, two summers ago, told them that when pigeons drain calcium from their bones to make eggshells, their legs and wings grow soft, spongy. But a stiff dose of female sex hormones toughens them up again. Drs. Ralph Gorman Hills and James Arthur Weinberg were so struck with this news that they went right out and tried female hormones on women whose bones were broken and did not knit. Last week, in the Bulletin...
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