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Academy acid activity addition Advancement American American Chemical Society amount animals annual appears Association awarded become biological body cause cells cent changes chemical chemistry City College committee Company complete continued Council course determined director discussion disease Division effect elected engineering experiments fact factors field give given Health held human important increase industrial Institute interest John Jour known laboratory lecture March material means measure Medical Medicine meeting ment method Michigan Museum nature normal observed obtained officers organization original period physics plants possible prepared present president problems production professor received recent relation School scientific secretary sessions social Society solution species structure tion United University various virus York