Lazarov N.I. (1960) A rapid method for the determination of potassium in blood serum. Voprosy Meditsinskoi Khimii, 6(3), 321-322.

et al. A rapid method for the determination of potassium in blood serum // Voprosy Meditsinskoi Khimii. - 1960. - V. 6. -N 3. - P. 321-322.

et al., "A rapid method for the determination of potassium in blood serum." Voprosy Meditsinskoi Khimii 6.3 (1960): 321-322.

Lazarov, N. I. (1960). A rapid method for the determination of potassium in blood serum. Voprosy Meditsinskoi Khimii, 6(3), 321-322.