Bashir, R1990-11-012009-06-031990-11-012009-06-031990-11-01Bashir R. Obstetric ultrasound. Nursing Journal of India. 1990 Nov; 81(11): 337-8http://imsear.searo.who.int/handle/123456789/123375engFemaleHumansObstetrical NursingPregnancyUltrasonography, PrenatalUterus --ultrasonographyJournal Article