Objective to investigate the characteristics of ultrasonography of atypical ectopic pregnancy and to improve the accuracy rate of the localization and characteristic diagnostication.
目的探讨非典型异位妊娠的声像图特点，以提高超声对非典型异位妊娠定性及定位的准确率。
2
Objective To explore the clinical features and diagnostic procedure of atypical asthma characteristic of chest pain.