1. An improved fixation technique for fluorescence in situ hybridization for preimplantation genetic diagnosis 
Dmitri I Dozortsev, M.D., Ph.D., Kevin T McGinnis, M.D. 
Fertility and Sterility 
Volume 76, Issue 1, Pages (July 2001)
DOI: /S (01)

2. Figure 1
FISH results on the blastomeres fixed using different techniques: (A), New technique with probes for chromosomes X, Y, 13, 18, and 21; (B), New technique with probes for chromosomes X and Y; (C), Acetic Acid/Methano with probes for chromosome X and Yl; (D), Tween 20 with probes for chromosome X, Y, 13, 18, and 21. (Magnification, 600×.)
Dozortsev. New fixation technique for PGD. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )