Authors: Haugen, Marion Bray, Freddie Grotmol, Tom Tretli, Steinar Aalen, Odd O. Moger, Tron A.

Citation: Haugen, Marion et al., Frailty modeling of bimodal age-incidence curves of nasopharyngeal carcinoma in low-risk populations, Biostatistics (Oxford. Print) , 10(3), 2009, pp. 501-514