Orthodynamic Limited - Jumper Handheld Pocket Digital Fetal Doppler JPD-100B 2.5MHz Home Use Baby Heart Rate Detector Monitor with Rechargeable battery Product Features The ultrasound dosage is under 50% of the national
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Health Management and Leadership Portal | Fetal doppler / portable / with heart rate monitor 2.2 MHz, 3.3 MHz | JPD-200C Jumper | HealthManagement.org