Subjects: COMPARATIVE studies; DIAGNOSTIC errors; ENZYME-linked immunosorbent assayUNITED States
Record details
Subjects: SUBCUTANEOUS injections; COMPARATIVE studies; ERYTHEMA
Subjects: COMPARATIVE studies; ERYTHEMA; IMMUNIZATION
Subjects: SUBCUTANEOUS injections; BLACK people; COMPARATIVE studiesCALIFORNIA; COLORADO; KENTUCKY
Subjects: ANIMAL experimentation; CATTLE; COMPARATIVE studies