Pichugin A.L., Kazakova O.V. (1979) Isolation of cathepsin D from the aorta using pepstatin sepharose. Voprosy Meditsinskoi Khimii, 25(6), 741-743.

Pichugin A.L. et al. Isolation of cathepsin D from the aorta using pepstatin sepharose // Voprosy Meditsinskoi Khimii. - 1979. - V. 25. -N 6. - P. 741-743.

Pichugin A.L. et al., "Isolation of cathepsin D from the aorta using pepstatin sepharose." Voprosy Meditsinskoi Khimii 25.6 (1979): 741-743.

Pichugin, A. L., Kazakova, O. V. (1979). Isolation of cathepsin D from the aorta using pepstatin sepharose. Voprosy Meditsinskoi Khimii, 25(6), 741-743.