| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| 821 | DF | MICRO-ORGANISMS USED IN THE DESTRUCTION OF HAZARDOUS OR TOXIC WASTE {5} |
| 822 | DF | .~ Using bacteria or actinomycetales {39} |
| 863 | | .~.~ Mycobacterium {3} |
| 864 | DF | .~.~.~> Mycobacterium avium |
| 865 | DF | .~.~.~> Mycobacterium fortuitum |
| 866 | DF | .~.~.~> Mycobacterium smegmatis |