Some Factors in the Etiology of Pellagra

Bacteriological Diagnosis of Tuberculosis

“…Saenz and Costill have recently claimed, moreover, that the date on which the result is obtained can be hastened by the examination of " microcultures." Seven or eight days after incubation a platinum loop is passed over the whole of the surface of one of the tubes inoculated (they recommend inoculation of several tubes), without injuring the medium, and any material collected is spread on 1 Diag'nostic Bacteriologique de la Tuberculose. Reviewed in this issue at page 124. a slide and stained by Ziehl-Neelsen's method.…”