Echo made easy / Atul Luthra.
| Author/creator | Luthra, Atul author. |
| Format | Book |
| Edition | Fourth edition. |
| Publication | New Delhi : Jaypee Brothers Medical Publishers, 2017. |
| Description | xvi, 260 pages : illustrations ; 18 cm + 1 CD-ROM |
| Subjects |
| General note | Includes index. |
| ISBN | 9789386150202 |
| ISBN | 9386150204 |