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Diakses pada 28 Juni 2019Healthline. https://www.healthline.com/health/neck-lump#pictures-of-neck-lumps
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Diakses pada 28 Juni 2019Medical News Today. https://www.medicalnewstoday.com/articles/322551.php#causes
Diakses pada 27 Desember 2019Medical News Today. https://www.medicalnewstoday.com/articles/324866.php
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Diakses pada 28 Juni 2019Medical News Today. https://www.medicalnewstoday.com/articles/322318.php
Diakses pada 28 Juni 2019WebMD. https://www.webmd.com/skin-problems-and-treatments/guide/boils#1
Diakses pada 28 Juni 2019