Differences in the handling of the EMG examination at seven European laboratories.
Johnsen B, Fuglsang-Frederiksen A, Vingtoft S, Fawcett P, Liguori R, Nix W, Otte G, Proença J, Schofield I, Sieben G, et al.
Johnsen B, et al.
Electroencephalogr Clin Neurophysiol. 1994 Apr;93(2):155-8. doi: 10.1016/0168-5597(94)90079-5.
Electroencephalogr Clin Neurophysiol. 1994.
PMID: 7512922