Also included are step-by-step instructions for operative proceduresanddiagnostic and therapeutic techniques.
此外包括一步一步是操作的程序和诊断和治疗技术的指示。
2
Invasive prenatal diagnostictechniques include amniocentesis, chorionic villus sampling(CVS), fetal blood sampling and embryoscopy. In this article, we introduced the procedures of these met…