TY - RPRT TI - Ultrasonic parameters and relationship between compressive strength, microstructure of gall bladder stones. AU - R Agarwal AU - V R Singh PY - 2000 DO - 10.1016/s0929-8266(99)00078-6 UR - https://pubmed.ncbi.nlm.nih.gov/10781663/ ID - 10781663 ER -