4. Cases of Twins where one had been long dead

Ever been HAD?

I-36: Preimplantation Genetic Diagnosis - Where Have We Been and Where Are We Going

Preimplantation genetic diagnosis (PGD) is now considered routine in IVF laboratories with micromanipulation capability and access to genetic diagnostic services. The past two decades have witnessed a dramatic increase in the use of PGD, the number of cycles performed, and the indications for which PGD has been used. This increase has been mirrored by a slow, but steady, increase in the range o...

Where we have been, where we are going.

Organizational behavior: where we've been, where we're going.

WHERE HAS THE FIELD OF OB BEEN? .... . . . . . . .. . . . . ... . .. ........ . . . . . . . ..... . ......... 429 What Is OB?...................... ................. . ................... . . ... . .. ............ . . ..... 429 Themes in OB.Research............................. ............. ...... .......... . .............. 429 WHERE IS THE FIELD OF MICRO-OB TODAY? ..............................

Association mapping: where we've been, where we're going.

This paper provides a review of recent work in the area of marker-phenotype association studies, specifically as used for localizing--or mapping--genes affecting a trait of interest. We describe the basis of association mapping and discuss a number of the commonly used techniques. We have also included references to various papers that have evaluated the use of these methods.