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Shorts with stains from blood and semen being examined in a forensic crime lab. Nebraska State Patrol Crime Lab Stock Photo - Alamy
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CienciasCFJP on Twitter: "T-shirt with semen stains photographed using different filters! #semenstains #traceevidence #forensicphotography #… https://t.co/Dqvz2u9whA" / Twitter
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Mail-in sperm testing system just as reliable in predicting male fertility as tests performed in clinic settings
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