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et al., "Interaction of heparin with polymyxin M and streptomycin." Voprosy Meditsinskoi Khimii 12.4 (1966): 397-401.

Bychkov, S. M. (1966). Interaction of heparin with polymyxin M and streptomycin. Voprosy Meditsinskoi Khimii, 12(4), 397-401.