| First Author | Epstein CJ | Year | 1972 |
| Journal | Science | Volume | 175 |
| Issue | 4029 | Pages | 1467-8 |
| PubMed ID | 5013677 | Mgi Jnum | J:5261 |
| Mgi Id | MGI:53739 | Doi | 10.1126/science.175.4029.1467 |
| Citation | Epstein CJ (1972) Expression of the mammalian X chromosome before and after fertilization. Science 175(29):1467-8 |