TY - RPRT TI - Flexibility in the protoxin composition of Bacillus thuringiensis. AU - A I Aronson PY - 1994 DO - 10.1111/j.1574-6968.1994.tb06737.x UR - https://pubmed.ncbi.nlm.nih.gov/8181708/ ID - 8181708 ER -