| 435 / | HD | CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY |
| FOR 214 | DD | HYBRID OR FUSED CELL TECHNOLOGY, E.G., HYBRIDOMA, ETC. (935/89) {4} |
| FOR 215 | | .~ Method of selection of the desired cell (935/90) {2} |
| FOR 216 | DD | .~.~> Of plant cells, e.g., protoplasts, etc. (935/91) |
| FOR 217 | DD | .~.~> Using positive selection technique (935/92) |