TY - EJOUR T1 - Evaluation of and Additional Data on an Improved Simple Charcoal Method to Determine Oestrogen Receptors AU - Korsten, C. B. AU - Persijn, J. P. PY - 1977 LA - und PB - Kooperation de Gruyter JO - Clinical Chemistry and Laboratory Medicine DO - 10.1515/cclm.1977.15.1-12.297 ER -