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Fig. 1 | BioPsychoSocial Medicine

Fig. 1

From: Aromatic effects of a Japanese citrus fruit—yuzu (Citrus junos Sieb. ex Tanaka)—on psychoemotional states and autonomic nervous system activity during the menstrual cycle: a single-blind randomized controlled crossover study

Fig. 1

ECG R-R interval changes and corresponding power spectra before, immediately after, and 30 min after the 10-min inhalation of yuzu fragrance and water in the follicular and late-luteal phases by a 22-year-old subject. LF: low frequency power (0.03–0.15 Hz); HF: high frequency power (0.15–0.5 Hz)

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