Science, Volume 75, Issues 1931-19561932 |
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Page 326
... infection serves to indicate the necessity of carefully planned controls for all crucial experiments in this field . While it seems to have been recognized that coccidial infection tends to be self- limited , the duration of single ...
... infection serves to indicate the necessity of carefully planned controls for all crucial experiments in this field . While it seems to have been recognized that coccidial infection tends to be self- limited , the duration of single ...
Page 327
... infection rests on the freedom of stock from infection as determined by periodic examination of discharges . Accidental infection does not , however , necessarily vitiate one's results , espe- cially if it is immediately recognized ...
... infection rests on the freedom of stock from infection as determined by periodic examination of discharges . Accidental infection does not , however , necessarily vitiate one's results , espe- cially if it is immediately recognized ...
Page 365
... infections of 20 larvae per gram , or less , the adult worms were never found in appreciable numbers after the fifteenth day after infection . When these rats were killed after 4 weeks only full - grown larvae could be found in the ...
... infections of 20 larvae per gram , or less , the adult worms were never found in appreciable numbers after the fifteenth day after infection . When these rats were killed after 4 weeks only full - grown larvae could be found in the ...
Contents
1 | 15 |
VOL LXXIV | 16 |
KLEEMAN R D Application of a Field of Attraction | 31 |
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Advancement of Science Agriculture American Association anaplasmosis animals apparatus awarded bacteria bacteriology Biological birds Botanical bufagin California cells cent centrioles chairman Chem chemical chemist chemistry College committee culture director disease Edison effect electric engineering experimental experiments fact fessor field filterable Franz Boas geology given Grand Central Terminal growth Harvard held hemoglobin heparin ical increase industry infection Institute interest investigation Johns Hopkins University laboratory larvae leafhopper lecture lunar lunar eclipses magnetic material mathematics Medal Medical School medicine ment method Museum National natural observations obtained oocysts organisms Orleans papers period physical physiology plants population possible present president problems production Professor protozoa recent reported scientific secretary Section session Sigma Xi Smithsonian Institution Building Society solution species station temperature tests thallium theory tion tissue tube University versity Washington York zoology