Science

acid activity addition Agricultural American amount animals appear application assistant Association blood cells chemical Chicago College Committee complete concentration containing course culture Department described determined direction director discussion effect energy engineering experiments factors field give given growth held human Illustrated important increase indicate Institute interest John Laboratory March material mathematics means measured Medical Medicine meeting ment method Michigan nature normal observed obtained Office organisms original period physical placed plant possible prepared present problems produced professor reaction received recent References samples School Science scientific scientists showed shown Society solution specific strains Table temperature theory tion tissue tube United University various Washington York