1. Nature Letters MASS SPECTROMETRY OF NATURAL AND SYNTHETIC PEPTIDES Kiryush;Vilkas;Telrahedran Biochem Chem Soc,1968
2. Intern Laneelle andj Asselineau Sei Das and Tetrahedron Suppl;Guinand;Biophys Acta Biochim Biophys Acta,1964
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4. t I am particularly grateful to Dr Sehröder for his permission to mention these two cases in this lecture EDGAR LEDERER References Anal Fessel Chuvilin and Ya Varshavskii zv Akad;Biemann;Chem Soc Biochem Biophys Chem Angew Chem,1959
5. No Das and Lederer Vietnamica Chim Acta and and No Kingston Lord Todd and van Heijenoort Das and Lederer;Guinand;Tetrahedron Letters Chem Chem Soc Chem Soc,1966