APA
Rubin B. L., Maralit M. & Kinard J. H. (19701201). A reproducible, reliable method for determination of progesterone (P) and 20 alpha-dihydroprogesterone (20 alpha P) in small volumes of plasma or serum, suitable for a range of concentrations from follicular phase to late pregnancy values. Levels found throughout a normal human pregnancy. : The Journal of clinical endocrinology and metabolism.
Chicago
Rubin B L, Maralit M and Kinard J H. 19701201. A reproducible, reliable method for determination of progesterone (P) and 20 alpha-dihydroprogesterone (20 alpha P) in small volumes of plasma or serum, suitable for a range of concentrations from follicular phase to late pregnancy values. Levels found throughout a normal human pregnancy. : The Journal of clinical endocrinology and metabolism.
Harvard
Rubin B. L., Maralit M. and Kinard J. H. (19701201). A reproducible, reliable method for determination of progesterone (P) and 20 alpha-dihydroprogesterone (20 alpha P) in small volumes of plasma or serum, suitable for a range of concentrations from follicular phase to late pregnancy values. Levels found throughout a normal human pregnancy. : The Journal of clinical endocrinology and metabolism.
MLA
Rubin B L, Maralit M and Kinard J H. A reproducible, reliable method for determination of progesterone (P) and 20 alpha-dihydroprogesterone (20 alpha P) in small volumes of plasma or serum, suitable for a range of concentrations from follicular phase to late pregnancy values. Levels found throughout a normal human pregnancy. : The Journal of clinical endocrinology and metabolism. 19701201.