Heat in male contraception (hot water 60 degrees C, infrared, microwave, and ultrasound).
D000818:Animals; D003267:Contraception; D006358:Hot Temperature; D007259:Infrared Rays; D008297:Male; D008872:Microwaves; D051381:Rats; D013091:Spermatogenesis; D013737:Testis; D013997:Time Factors; D014465:Ultrasonics