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Fig. 4. Dose-response curves to test doses of three aliphatic acetates (A, butyl;
B, pentyl; C, hexyl), showing mean response indices (N=8-16) and
standard errors (error bars are sometimes smaller than the symbols used in the
graph). Dotted line, control (no pre-stimulation). Solid line, following
pre-stimulation with the same odour as the test odour. For full details, see
text.