Yudkin, P., Yudkin, P. L., & Hope, P. (1993). Consequences of birth asphyxia.
Lua i Stíl Chicago (17ú heag.)Yudkin, P., Patricia L.N Yudkin, agus P. Hope. Consequences of Birth Asphyxia. 1993.
Lua MLA (9ú heag.)Yudkin, P., et al. Consequences of Birth Asphyxia. 1993.
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