1. Bronchial neoplasma with myasthenia. Prolonged apnoea after administration of succinylcholine;Anderson;Lancet,1953
2. Assmussen, E. , K. Heeboll-Nielsen & S. Molbech (1959): Methods for evaluation of muscle strength. Communications from the Testing and Observation institute of the Danish national association for infantile paralysis. No. 5.
3. Assmussen, E. , & K. Heeboll-Nielsen (1961): Isometric muscle strength of adult men and women. Communications from the Testing and Observation institute of the Danish national association for infantile paralysis. No. 11.
4. Motor unit activity in the voluntary contraction of human muscle;Bigland;J. Physiol. (Lond.),1954
5. Neurophysiological findings in myasthenia gravis. Single muscle fibre activity in relation to muscular fatiguability and response to anticholinesterase. Electroenceph. clin;Blom;Neurophysiol.,1971