Phonendoscope vs stethoscope and glasses lie on ultrasound images of the embryo at 4 and 20 weeks of gestation. IVF in vitro fertilization concept. Observation. Selective focus.

Phonendoscope vs stethoscope and glasses lie on ultrasound images of the embryo at 4 and 20 weeks of gestation. IVF in vitro fertilization concept. Observation. Selective focus. - 117556090

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