Diagnostic ultrasound in obstetrics and gynaecology: how it differs in developing countries.
D003906:Developing Countries; D004534:Egypt; D005260:Female; D005831:Genital Diseases, Female / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014463:Ultrasonography / Q000191:economics