Maltez, F., Martins, T., Morgado, A. and Proença, R. 1997. Will acanthosis nigricans be a new cutaneous manifestation of human immunodeficiency virus infection?. Acta Médica Portuguesa. 10, 6-7 (Jul. 1997), 493–5. DOI:https://doi.org/10.20344/amp.2443.