| various tissues | 0.52 |
| the placenta | 0.25 |
| cause tumor | 0.50 |
| give rise | 0.48 |
| differentiate into any … | 0.38 |
| offer the greatest pote… | 0.35 |
| continue to proliferate… | 0.33 |
| differ in significant w… | 0.33 |
| differentiate | 0.26 |
| differentiate into brain | 0.25 |
| differentiate into liver | 0.25 |
| differentiate into skin | 0.25 |
| greater potential | 0.26 |
| higher risk | 0.16 |
| controversial | 0.38 |
| totipotent | 0.33 |
| useful | 0.32 |
| superior | 0.29 |
| the most potent | 0.25 |
| cell | 0.50 |
| undifferentiated cells | 0.48 |
| pluripotent cells | 0.47 |
| derived | 0.79 |
| isolated | 0.77 |
| produced | 0.56 |
| used in research | 0.54 |
| grown in culture | 0.46 |
| grown | 0.35 |
| removed | 0.31 |
| donated for research pu… | 0.25 |
| isolated in 1981 | 0.25 |
| accepted by medical com… | 0.20 |
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