He later introduced lasers to facilitate embryonic implantation. 後來，他又將激光應用於胚胎移植中。
Methods Morulae of four mutation hairless mice and one cataract mouse were transplanted into uterus using embryonic transfer method. 方法利用胚胎移植技術對四種突變無毛小鼠和一種白內障小鼠的桑葚胚進行子宮內移植。
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