TY - RPRT TI - High sensitivity solid phase exchange radioimmunoassay for morphine. AU - E F Hahn AU - J H Fishman AU - J Fishman PY - 1979 DO - 10.1111/j.2042-7158.1979.tb13490.x UR - https://pubmed.ncbi.nlm.nih.gov/36467/ ID - 36467 ER -