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406. Efficiency of standard Army water purification equipment and of diatomite filters in removing cysts of Endamoeba histolytica from water: for official action

431. The etiology of child behavior difficulties, juvenile delinquency, and adult criminality, with special reference to their occurrence in twins

469. Final report of the Committee for the Technical and Scientific Investigation of Japanese Activities in Medical Sciences

472. Final report on Project no. 35 -- Determination of the optimum method for protection of tank crews against chemical warfare agents