Microbiological production of livestock growth-promoting agent
Miticidal compositions comprising antibiotic K-41
Mixture of antibiotics produced by a species of actinoplanes
Mixture of antibiotics produced by a species of actinoplanes
Mixture of antibiotics produced by new species of micromonospora
Mixture of antibiotics produced by new species of micromonospora
Mixture of antibiotics produced by new species of streptosporang
Modified polysaccharide supports
Multi-cell battery