Task predictability and the development of tracking skill under extended practice.
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Humans↗
Biomedical subjects
L Ulrich
Publications and source records attributed to L Ulrich.
Verbal coding and display coding in the acquisition and retention of tracking skill.
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Adolescent↗
Number of alternatives and sequence length in acquisition of a step-function tracking task.
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Adolescent↗
[Studies on pneumoconiosis and the problem of biological aggression of dust].
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Dust↗
[Distribution of dust in silicotic lungs].
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Humans↗
[Changes of immunologic reactivity in experimental silicosis].
Some results are brought concerning particular unspecific immunity indicators of experimental silicosis of Wistar rats induced by intratracheal quartz application (30 mg/kg "DQ12"). A decrease of antihuman antibody albumin production and an inhibition of blood neutrophil phagocytic response especially in the first phase was observed compared with control rats.
Animals↗