Hartveit F, Maartmann-Moe H, Støa K F, Tangen M, Thorsen T
Acta Chir Scand. 1980;146(2):93-5.
The prognostic value of oestrogen receptor analysis is demonstrated in 150 patients with infiltrating breast carcinoma. Recurrence of tumour was earlier and more frequent in the receptor negative than in the receptor positive cases. There was more early deaths in the receptor negative group. The mean follow-up time was 30 months.