Cephalosporin analogues and antimicrobial compositions
Cephalosporin analogues and compositions
Cephalosporin analogues and processes for the preparation thereo
Cephalosporin and pharmaceutical preparations containing the sam
Cephalosporin antibiotic
Cephalosporin antibiotic compositions
Cephalosporin antibiotics
Cephalosporin antibiotics
Cephalosporin antibiotics
Cephalosporin antibiotics
Cephalosporin betaines
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds
Cephalosporin compounds and antibacterial drugs containing the s
Cephalosporin compounds with terminal aminocarboxylic acid group