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. 2017 Feb 23;13(2):39–62. doi: 10.1080/15476278.2017.1295904

FIGURE 9.

FIGURE 9.

Frequency and amplitude of gastrointestinal motility over 1 hour for organs that are: (A) Untreated baseline; (B) Treated with benztropine; and (C) Treated with promethazine. The 3 different conditions can be quantified based on their respective frequency spectrums.