A N · A. Nilsen · P. A. · Per Nilsen
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hypofibriogenaemia in Premature Separation of the Placenta | 978-82-00-08584-3 (82-00-08584-8) | 1963 |
| On the Aetiology and Pathogenesis in Premature Separation of the Normally Implanted Placenta | 978-82-00-04395-9 (82-00-04395-9) | 1968 |