Murooka, H [Small size ultrasonic Doppler apparatus for fetal diagnosis and efficiency of the ultrasonic machine for pre-operative hand-washing]. [electronic resource] - Sanfujinka no jissai. Practice of gynecology and obstetrics Nov 1970 - 1095-100 p. digital Publication Type: Journal Article ISSN: 0558-4728 Subjects--Topical Terms: Antisepsis--instrumentationFemaleFetal Diseases--diagnosisHandHumansPregnancySurgical Procedures, OperativeUltrasonics--adverse effectsUltrasonography