Part, Chapter, Paragraph
1 II, 5. 5. 3| Neurosurg Psychiatry 73;256-260.~Doll R, Hill AB (1966). Mortality
2 II, 5. 12. 2| world standard population (Doll and Smith, 1982). In a few
3 III, 10. 2. 1| Denis L, Dicato M, Diehl L, Doll R, Franceschi S, Gillis
4 III, 10. 3. 1| Whitley E, Wichmann HE, Doll R, (2005): Radon in homes