Endogeneously regulated site-specific differentiation of human palmar skin keratinocytes in organotypic cocultures and in nude mouse transplants - Limat, Alain; Stockhammer, E.; Breitkreutz, Dirk; Schaffner, T.; Egelrud, T.; Salomon, D.; Fusenig, Norbert (European journal of cell biology, 1996)