Richter ea 1987
Richter K., Egger R., Kreil G. D-alanine in the frog skin peptide dermorphin is derived from L-alanine in the precursor. //Science. 1987. Vol. 238. * 4824. P. 200-202.
Richter K., Egger R., Kreil G. D-alanine in the frog skin peptide dermorphin is derived from L-alanine in the precursor. //Science. 1987. Vol. 238. * 4824. P. 200-202.
