Levin J, Kay G, Da Fonseca M, Lange M, De Moor N G, Savage N
S Afr Med J. 1978 Apr 15;53(15):577-8.
Oestrogen receptors were measured in the cytoplasmic fraction of tumours from patients with breast cancer. Receptors were detected in 48% of patients, and 52% showed no receptors. A follow-up study of a small group of patients on hormone therapy is reported.