IEC TS 62558:2011 Ultrasonics - Real-time pulse-echo scanners - Phantom with cylindical, artificial cysts in tissue-mimikring material and method for automated evaluation and periodic testing of 3-D distributions of void-detectability ratio (VDR)
2011IEC TS 62558:2011 Ultrasonics - Real-time pulse-echo scanners - Phantom with cylindical, artificial cysts in tissue-mimikring material and method for automated evaluation and periodic testing of 3-D distributions of void-detectability ratio (VDR)