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Credit
Does science need secrecy? / by Albert Leffingwell ... ; with statement concerning vivisection by Prof. W.T. Porter, reprinted from the "Boston Transcript". Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.