R. T. Zoeller, Fletcher, D. L., Butnariu, O., Lowry, C. A., and Moore, F. L.,
“N-ethylmaleimide (NEM) can significantly improve in situ hybridization results using S-35-labeled oligodeoxynucleotide or complementary RNA probes”,
Journal of Histochemistry & Cytochemistry, vol. 45, pp. 1035-1041, 1997.