Tsvetkova T.A., Kozlov E.A., Rudakov S.S., Del'vig A.A. (1988) Extractability of collagen from the rib cartilage and skin in funnel chest in children. Voprosy Meditsinskoi Khimii, 34(1), 71-74.
Tsvetkova T.A. et al. Extractability of collagen from the rib cartilage and skin in funnel chest in children // Voprosy Meditsinskoi Khimii. - 1988. - V. 34. -N 1. - P. 71-74.
Tsvetkova T.A. et al., "Extractability of collagen from the rib cartilage and skin in funnel chest in children." Voprosy Meditsinskoi Khimii 34.1 (1988): 71-74.
Tsvetkova, T. A., Kozlov, E. A., Rudakov, S. S., Del'vig, A. A. (1988). Extractability of collagen from the rib cartilage and skin in funnel chest in children. Voprosy Meditsinskoi Khimii, 34(1), 71-74.