Determinants of age at menarche in the UK: analyses from the Breakthrough Generations Study. Br J Cancer. 2010 Nov 23;103(11):1760-4
Morris DH, Jones ME, Schoemaker MJ, Ashworth A, Swerdlow AJ.
Effect of delays in processing blood samples on measured endogenous plasma sex hormone levels in women. Cancer Epidemiol Biomarkers Prev. 2007 Jun;16(6):1136-9
Jones ME, Folkerd EJ, Doody DA, Iqbal J, Dowsett M, Ashworth A, Swerdlow AJ.
