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Bar graph of seminal vesicle (SV) volumes in 42 men who abstained from ejaculation for less than 3 days before undergoing prostate MRI (i.e., group 1) and 42 age-matched randomly selected men who abstained from ejaculation for 3 days or more (i.e., group 2), by age. Data are mean volumes (expressed in milliliters) and standard errors.
