A treatise on the transformation of the intestinal floraLeo Frederick Rettger · First published 1921Open the Tome
Lactobacillus acidophilus & its therapeutic applicationLeo Frederick Rettger · First published 1935Open the Tome
A treatise on the transformation of the intestinal flora, with special reference to the implantation of Bacillus acidophilusLeo Frederick Rettger · First published 1921Open the Tome