ScienceJohn Michels (Journalist) 1936 |
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Page 33
... animals . To investigate the effects of the ingestion of inorganic selenium as distinct from the apparent organic combinations occurring in the natural toxic grain , sodium selenite was incorporated in a good stock diet for rats . At a ...
... animals . To investigate the effects of the ingestion of inorganic selenium as distinct from the apparent organic combinations occurring in the natural toxic grain , sodium selenite was incorporated in a good stock diet for rats . At a ...
Page 444
... animals were thymectomized was 17 days , the latest 24 days , the determining factors being the condition of the animals and whether or not they could be successfully weaned . All the surviving rats were weaned between the ages of 21 ...
... animals were thymectomized was 17 days , the latest 24 days , the determining factors being the condition of the animals and whether or not they could be successfully weaned . All the surviving rats were weaned between the ages of 21 ...
Page 515
... ANIMALS A FIVE - YEAR closed season for the marten , fisher , wolverine and otter to save them from joining the list of extinct wild animals is urged by Ira N. Gabrielson , chief of the U. S. Bureau of Biological Survey . He states that ...
... ANIMALS A FIVE - YEAR closed season for the marten , fisher , wolverine and otter to save them from joining the list of extinct wild animals is urged by Ira N. Gabrielson , chief of the U. S. Bureau of Biological Survey . He states that ...
Contents
VOL | 1 |
Bureaucracy N E STEVENS 497 | 8 |
CARTER W The Toxigenic and Toxiniferous Insect 522 | 14 |
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