1. Significant fall in progesterone and rise in oestradiol levels in human peripheral plasma before onset of labour;Turnbull;Lancet,1974
2. An endocrine factor in certain affective disorders;Malleson;Lancet,1953
3. An Analysis of Mood States
4. Some effects of progesterone and related steroids on the central nervous system;Gyermek;International Journal of Neuro-pharmacology,1967