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To the Editor:—
I have known that urban crowding is a serious problem, but I had not realized how pressing the problem might become until I read the headline in The Journal (203:439, 1968), "Fermi and Chicago Pile on Commemorative Stamp."
Huth EJ. Urban Crowding. JAMA. 1968;204(3):271. doi:10.1001/jama.1968.03140160081028