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1
0002-9378(92)91691-3
0002-9378(92)91691-3
http://dx.doi.org/10.1016/0002-9378(92)91691-3
A randomized, placebo-controlled trial of betamethasone for the prevention of respiratory distress syndrome at 24 to 28 weeks' gestation.
P356
Q43754213-A09DB628-ADDF-40E5-99EB-8B23B49B71CB
P356
0002-9378(92)91691-3
http://dx.doi.org/10.1016/0002-9378(92)91691-3