ASAMI, N [Studies on the lyophilization of small quantities of PPD. 2. Effect of the addition of gum arabic on arrest of dispersion of PPD]. [electronic resource] - Nihon saikingaku zasshi. Japanese journal of bacteriology Dec 1961 - 1017-21 p. digital Publication Type: Journal Article ISSN: 0021-4930 Subjects--Topical Terms: Freeze DryingGum ArabicResins, PlantResins, Synthetic--pharmacologyTuberculin--chemistry