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Diakses pada Mei 2019BabyCentre. https://www.babycentre.co.uk/x549369/im-salivating-more-than-usual-now-im-pregnant-is-this-normal
Diakses pada Mei 2019BabyCenter. https://www.babycenter.com/0_excessive-saliva-during-pregnancy_9454.bc
Diakses pada Mei 2019Medical News Today. https://www.medicalnewstoday.com/articles/318728.php
Diakses pada Mei 2019