TY - GEN AU - Vane,D W TI - Left upper quadrant masses in children SN - 0191-9601 PY - 1992///0228 KW - Abdominal Neoplasms KW - blood KW - Child KW - Child, Preschool KW - Clinical Protocols KW - standards KW - Decision Trees KW - Diagnosis, Differential KW - Humans KW - Infant KW - Infant, Newborn KW - Pediatrics KW - methods N1 - Publication Type: Journal Article UR - https://doi.org/10.1542/pir.13-1-25 ER -