TY - GEN AU - Katz,Judith F AU - Yucel,E Kent TI - Point-of-care ultrasonography SN - 1533-4406 PY - 2011///0531 KW - Diagnosis, Differential KW - Humans KW - Point-of-Care Systems KW - Ultrasonography KW - methods N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1056/NEJMc1103704 ER -