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2. Fatigue in sustained isometric voluntary contractions;Bigland-Ritchie;Physiology (Canada),1977
3. Central and peripheral fatigue in sustained maximum voluntary contractions of human quadriceps muscle;Bigland-Ritchie;Clin. Sci. Mol. Med.,1978
4. Electrical activity during fatigue of sustained maximal voluntary and stimulated contractions;Bigland-Ritchie,1978
5. Activity of single motor units during isometric tension;Clamann;Neurology (Minneapolis),1970