Corresponding bright-field and immunofluorescent images showing labelling of Aspergillus fumigatus B5233 conidia by anti-melanin mAb 8D6. Diameter of conidia is approximately 3 μm. Image supplied by Sirida Youngchim, Guy's Hospital, London, UK. See the paper by Youngchim and others in this issue, pp. 175--181.

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