TY - RPRT TI - AN IMPROVED METHOD FOR COLLECTING GAS-CHROMATOGRAPHICALLY SEPARATED ESTROGENS. AU - H S KROMAN AU - S R BENDER PY - 1964 DO - 10.1016/s0021-9673(01)95102-7 UR - https://pubmed.ncbi.nlm.nih.gov/14110310/ ID - 14110310 ER -