P. Blahey

Contribution of estriol to total urinary estrogens during pregnancy.

R. Hobkirk, M. Nilsen, Y. Anuman-rajadhon, 1970, Clinical chemistry.

Polycystic ovaries associated with congenital adrenal hyperplasia.

C. Hollenberg, R. Hobkirk, O. J. Lucis, 1966, Canadian Medical Association journal.

Metabolism of doubly labelled ethynylestradiol-3-cyclopentyl ether in women.

R. Hobkirk, D. S. Layne, M. Nilsen, 1967, Steroids.

Amount of Five Estrogen Fractions in the Urine of 13 Women during Uncomplicated Pregnancies

R. Hobkirk, M. Nilsen, Y. Anuman-rajadhon, 2004 .

Urinary estrogen excretion in normal and diabetic pregnancy.

R. Hobkirk, G. Joron, J. Raeside, 1960, The Journal of clinical endocrinology and metabolism.