"1985-May-Jun" contains a sequence that could not be interpreted against an available match matrix for date components.
Friedman RJ, Rigel DS, Kopf AW. Early detection of malignant melanoma: the role of physician examination and self-examination of the skin. CA Cancer J Clin ;35(3):130-51 Abstract available at http://www.ncbi.nlm.nih.gov/pubmed/3921200.
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