3Skrajny B, Hannab RS, Roth SH. Low concentrations of hydrogen sulphide altermonomnine levels in the developing ratcentral nervoua system[J]. Can J Physiol Pharmacol, 1992, 70 (11): 1515-1518.
4Setkl NP. Current aspects of mechanisms underlying effects of multrcom ponent nutural gas, its toxicity and selectivity [ J I. Med TrProm Ekol,1996, (1): 12-16.