CD4⁺/CD7^- T cell frequency and polymerase chain reaction-based clonality assay correlate with stage in cutaneous T cell lymphomasLAETSCH, B; HÄFFNER, A. C; DÖBBELING, U et al.Journal of investigative dermatology. 2000, Vol 114, Num 1, pp 107-111, issn 0022-202XConference Paper

Isolated delayed-type hypersensitivity to latex rubberHÄFFNER, A. C; ZEPTER, K; ELSNER, P et al.Contact dermatitis. 1996, Vol 35, Num 4, pp 247-248, issn 0105-1873Article

A primary cutaneous non-T, non-B CD4⁺, CD56⁺ lymphomaDUMMER, R; POTOCZNA, N; HÄFFNER, A. C et al.Archives of dermatology (1960). 1996, Vol 132, Num 5, pp 550-553, issn 0003-987XArticle

The prognosis of primary and metastasising melanoma : an evaluation of the TNM classification in 2,495 patientsHÄFFNER, A. C; GARBE, C; BURG, G et al.British journal of cancer. 1992, Vol 66, Num 5, pp 856-861, issn 0007-0920Article