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2. The effect of 5-hydroxytryptamine on the uterus of conscious and of anaesthetized dogs;Abrahams;Brit. J. Pharmacol.,1956
3. Serotonin blood levels in pregnancy;Beller;Arch. Gynäk.,1961
4. Excerpta Medica;Beller;Abstract No. 637,1962
5. Serum copper and ceruloplasmin in pregnancy;Burrows;Amer. J. Obstet. Gynec.,1971