TY - RPRT TI - Improved mirror systems for high resolution ultrasonic imaging. AU - J J Nicoll AU - J M Piggins AU - W N McDicken AU - R Borthwick PY - 1985 DO - 10.1177/016173468500700201 UR - https://pubmed.ncbi.nlm.nih.gov/3909599/ ID - 3909599 ER -