APA

Juul A., Scheike T., Pedersen A. T., Main K. M., Andersson A. M., Pedersen L. M. & Skakkebaek N. E. (19980108). Changes in serum concentrations of growth hormone, insulin, insulin-like growth factor and insulin-like growth factor-binding proteins 1 and 3 and urinary growth hormone excretion during the menstrual cycle. : Human reproduction (Oxford, England).

Chicago

Juul A, Scheike T, Pedersen A T, Main K M, Andersson A M, Pedersen L M and Skakkebaek N E. 19980108. Changes in serum concentrations of growth hormone, insulin, insulin-like growth factor and insulin-like growth factor-binding proteins 1 and 3 and urinary growth hormone excretion during the menstrual cycle. : Human reproduction (Oxford, England).

Harvard

Juul A., Scheike T., Pedersen A. T., Main K. M., Andersson A. M., Pedersen L. M. and Skakkebaek N. E. (19980108). Changes in serum concentrations of growth hormone, insulin, insulin-like growth factor and insulin-like growth factor-binding proteins 1 and 3 and urinary growth hormone excretion during the menstrual cycle. : Human reproduction (Oxford, England).

MLA

Juul A, Scheike T, Pedersen A T, Main K M, Andersson A M, Pedersen L M and Skakkebaek N E. Changes in serum concentrations of growth hormone, insulin, insulin-like growth factor and insulin-like growth factor-binding proteins 1 and 3 and urinary growth hormone excretion during the menstrual cycle. : Human reproduction (Oxford, England). 19980108.