Non-ribosomal cyclic peptides: Specific markers of fungal infections
        Non-ribosomal cyclic peptides: Specific markers of fungal infections.        
                  Journal of Mass Spectrometry.                
                  2006,
                
                              41(5),
                  
                              563-576,
                          
                  ISSN: 1076-5174,
                
                
                              PMID: 16770826,                          
                
        
        
      
    