1. Van Dinter MC. Ptyalism in pregnant women. J Obstet Gynecol Neonatal Nurs. 1991. 20:206–209.
2. Bernstine RL, Friedman MH. Salivation in pregnant and nonpregnant women. Obstet Gynecol. 1957. 10:184–189.
3. Suzuki S, Igarashi M, Yamashita E, Satomi M. Ptyalism gravidarum. North Am J Med Sci. 2009. 1:303–304.
4. Erick M. Ptyalism gravidarum: an unpleasant reality. J Am Diet Assoc. 1998. 98:129.
5. Kullander S, Sonesson B. Studies on saliva in menstruating, pregnant and post-menopausal women. Acta Endocrinol (Copenh). 1965. 48:329–336.
6. Helm JF. Role of saliva in esophageal function and disease. Dysphagia. 1989. 4:76–84.
7. Baron TH, Richter JE. Gastroesophageal reflux disease in pregnancy. Gastroenterol Clin North Am. 1992. 21:777–791.
8. Mandel L, Tamari K. Sialorrhea and gastroesophageal reflux. J Am Dent Assoc. 1995. 126:1537–1541.
9. Freeman JJ, Altieri RH, Baptiste HJ, Kuo T, Crittenden S, Fogarty K, et al. Evaluation and management of sialorrhea of pregnancy with concomitant hyperemesis. J Natl Med Assoc. 1994. 86:704–708.
10. Rice H. Ptyalism during pregnancy. JAMA. 1951. 146:1545–1546.