Monika-Hildegard Schmid-Wendtner; Korting Schmid-Wendtner (2007). Ph and Skin Care. ABW Wissenschaftsverlag. pp. 31-. ISBN978-3-936072-64-8. Consultado el 19 de junio de 2012.
Zlotogorski A (1987). «Distribution of skin surface pH on the forehead and cheek of adults». Arch. Dermatol. Res.279 (6): 398-401. PMID3674963. doi:10.1007/bf00412626.
Mackenna, R. M. B.; Wheatley, V. R.; Wormall, A. (1950). «The Composition of the Surface Skin Fat ('Sebum') from the Human Forearm». Journal of Investigative Dermatology15 (1): 33-47. PMID14774573. doi:10.1038/jid.1950.69.
McCulley, JP; Shine, WE (Mar 2004). «The lipid layer of tears: dependent on meibomian gland function.». Experimental eye research78 (3): 361-5. PMID15106913. doi:10.1016/s0014-4835(03)00203-3.
Farrell LN, Strauss JS, Stranieri AM; Strauss; Stranieri (diciembre de 1980). «The treatment of severe cystic acne with 13-cis-retinoic acid. Evaluation of sebum production and the clinical response in a multiple-dose trial». Journal of the American Academy of Dermatology3 (6): 602-11. PMID6451637. doi:10.1016/S0190-9622(80)80074-0.
Rosenthal, Stanley A; Furnari, Domenica (1958). «Slide Agglutination as a Presumptive Test in the Laboratory Diagnosis of Candida Albicans1». The Journal of Investigative Dermatology31 (5): 251-253. PMID13598929. doi:10.1038/jid.1958.50.
Zlotogorski A (1987). «Distribution of skin surface pH on the forehead and cheek of adults». Arch. Dermatol. Res.279 (6): 398-401. PMID3674963. doi:10.1007/bf00412626.
Mackenna, R. M. B.; Wheatley, V. R.; Wormall, A. (1950). «The Composition of the Surface Skin Fat ('Sebum') from the Human Forearm». Journal of Investigative Dermatology15 (1): 33-47. PMID14774573. doi:10.1038/jid.1950.69.
Farrell LN, Strauss JS, Stranieri AM; Strauss; Stranieri (diciembre de 1980). «The treatment of severe cystic acne with 13-cis-retinoic acid. Evaluation of sebum production and the clinical response in a multiple-dose trial». Journal of the American Academy of Dermatology3 (6): 602-11. PMID6451637. doi:10.1016/S0190-9622(80)80074-0.
Rosenthal, Stanley A; Furnari, Domenica (1958). «Slide Agglutination as a Presumptive Test in the Laboratory Diagnosis of Candida Albicans1». The Journal of Investigative Dermatology31 (5): 251-253. PMID13598929. doi:10.1038/jid.1958.50.