Respiratory burst inhibition in human neutrophils by ultra-low doses of [D-Al] methionine enkephalinamide
S. Za0tsev, L.A. Sazanov, A. Koshkin, G. Sud’Ina, S. Varfolomeev, FEBS Letters 291 (1991) 84–86.

Tissue distribution and quantitation of the mRNAs for three rat tachykinin receptors
K. Tsuchida, R. Shigemoto, Y. Yokota, S. Nakanishi, European Journal of Biochemistry 193 (1990) 751–757.