例句 /

8 Coady DJ, Snyder JR, Subramanyam B. Appendiceal abscess in pregnancy: diagnosis by ultrasound. J Clin Ultrasound, 1986, 14(1)∶70-71.

8 Coady DJ, Snyder JR, Subramanyam B. Appendiceal abscess in pregnancy: diagnosis by ultrasound. J Clin Ultrasound, 1986, 14(1)∶70-71.

9吴钟瑜.实用妇产科超声诊断学(修订版).天津:天津科技翻译出版公司出版社、1995∶341-347.