Rochelson B L, Trunca C, Monheit A G, Baker D A
Am J Obstet Gynecol. 1986 Oct;155(4):835-6. doi: 10.1016/s0002-9378(86)80032-1.
A rapid in situ coverslip technique was used to diagnose trisomy 18 within 1 week of amniocentesis in the third trimester. Two cases are presented. The clinical significance and advantages over umbilical vein aspiration are discussed.