Atoxic, immunogenic product of tetanus toxin
Attenuated gram negative bacteria
Attenuated gram negative bacteria
Attenuation of rejected cells transformed with adenovirus E3
Avirulent microbes and uses therefor
Avirulent microbes and uses therefor
Avirulent microbes and uses therefor: salmonella typhi
Avirulent oncolytic herpes simplex virus strains engineered...
B. pertussis vaccine production using carbodiimides
Bacillus cereus subspecies israelensis
Bacillus thuringiensio NRRL B-18721 active against dipteran pest
Bacillus thuringiensis .delta.-endotoxin
Bacillus thuringiensis cryET1 toxin gene and protein toxic to le
Bacillus thuringiensis cryet4 and cryet5 toxin genes and protein
Bacillus thuringiensis cryET5 gene and related plasmids, bacteri
Bacillus thuringiensis isolate active against lepidopteran pests
Bacillus thuringiensis isolate denoted B.t. PS81GG, active again
Bacillus thuringiensis isolate denoted B.t.PS158C2, active again
Bacillus thuringiensis isolates active against cockroaches and g
Bacillus thuringiensis isolates active against hymenopteran pest