Yang J, Bogerd HP, Le S, Cullen BR. The human endogenous retrovirus K Rev response element coincides with a predicted RNA folding region. RNA. 2000 Nov;6:1551-64.
Yang J, Cullen BR. Structural and functional analysis of the avian leukemia virus constitutive transport element. RNA. 1999 Dec;5:1645-55.
Bonfill X, Rivero E, Moreno C, Rué M. Changes in cancer mortality in Catalonia and Spain (1975-77 and 1987-89). A comparison with other European countries. Eur J Cancer Prev. 1995 Dec;4(6):453-8.