1. Radioimmunoassay of steroids;Abraham,1977
2. Plasma progesterone concentration in Bos taurus and Bos indicus heifers;Adeyemo;Theriogenology,1980
3. Studies on steroid hormones. 3. Serum progesterone concentration in Zebu cows during pregnancy;Agarwal;Indian J. Anim. Sci.,1980
4. Studies on steroid hormones: progesterone concentration in the blood serum of Zebu cows during oestrous cycle;Agarwal;Indian J. Anim. Sci.,1977
5. Introduction to Multivariate Analysis;Chatfield,1980