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