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Supertopics:
Reproductive System Components

Sperm and Semen

Subtopics:
Sperm Counts and Quality
Sperm Counts and Quality Miscellany
Pollution Linked with Low Sperm Counts and Quality
Pesticides Linked with Low Sperm Counts and Quality
Saturated Fat Linked with Lower Semen Quality
BPA and Sperm Quality
Cell Phones and Sperm Quality
Sperm Competition
howler monkeys with big roars produce less sperm
webScienceDaily2015-10-22
human sperm competition
webNicholas WadeNew York Times2000-01-21