1
All pregnant women referred for chromosomal studies before 14 weeks were assessed.
2
The pleural fluid, cytology, bony lesions, and bone marrow were examined and chromosomal studies were performed.
3
Chromosomal studies revealed that the cultured cells possess the chromosomal abnormality +12.
4
Chromosomal studies were performed in the same laboratory on 97 untreated cases of de novo acute nonlymphocytic leukemia M2.