Ferdman T.D. (1961) On the problem of urinary estrogen determination methods. Voprosy Meditsinskoi Khimii, 7(5), 546-549.

et al. On the problem of urinary estrogen determination methods // Voprosy Meditsinskoi Khimii. - 1961. - V. 7. -N 5. - P. 546-549.

et al., "On the problem of urinary estrogen determination methods." Voprosy Meditsinskoi Khimii 7.5 (1961): 546-549.

Ferdman, T. D. (1961). On the problem of urinary estrogen determination methods. Voprosy Meditsinskoi Khimii, 7(5), 546-549.