Long-Term Contraception in a Single Shot

Long-Term Contraception in a Single Shot.
"Caltech biologists have developed a nonsurgical method to deliver long-term contraception to both male and female animals with a single shot. The technique—so far used only in mice—holds promise as an alternative to spaying and neutering feral animals."
https://www.caltech.edu/news/long-term-contraception-single-shot-48199.
​Link to paper: pdf
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