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Biol Res Pregnancy Perinatol. 1987;8(1 1ST Half):26-34.
Double-blind controlled trial of progesterone substitution in threatened abortion.
Gerhard I, Gwinner B, Eggert-Kruse W, Runnebaum B
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Biol Res Pregnancy Perinatol. 1987;8(1 1ST Half):26-34.
Gerhard I, Gwinner B, Eggert-Kruse W, Runnebaum B