Research Article
Prognosis for infants born at 23 to 28 weeks' gestation.
Br Med J (Clin Res Ed) 1987; 294 doi: https://doi.org/10.1136/bmj.294.6563.55-b (Published 03 January 1987) Cite this as: Br Med J (Clin Res Ed) 1987;294:55
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