HISTOPATHOLOGICAL EFFECTS OF BACILLUS-THURINGIENSIS ON THE MIDGUT OF TOBACCO HORNWORM LARVAE (MANDUCA-SEXTA) - LOW-DOSES COMPARED WITH FASTING - Delello, E.; Hanton, W. K.; Bishoff, S. T.; Misch, D. W. (Academic Press Inc. Jnl-comp Subscriptions, 1984)