• 1
    Snow HL. Cancer and the cancer process. London: Churchill, 1893.
  • 2
    McGee. Does stress cause cancer? There is no good evidence of a relation between stressful events and cancer. BMJ. 1999; 319: 10151016.
  • 3
    Chen CC, Davis AS, Nunnery H, et al. Adverse life events and breast cancer: case-control study. BMJ. 1995; 311: 15271130.
  • 4
    Ginsberg A, Price S, Ingram D, Nottage E. Life events and the risk of breast cancer: a case-control study. Eur J Cancer. 1996; 32: 20492052.
  • 5
    Protheroe D, Turvey K, Horgan K, Benson E, Bowers D, House A. Stressful life events and difficulties and onset of breast cancer: case-control study. BMJ. 1999; 319: 10271030.
  • 6
    Kvikstad A, Vatten LJ. Risk and prognosis of cancer in middle-aged women who have experienced the death of a child. Int J Cancer. 1996; 67: 165169.
  • 7
    Johansen C, Olsen JH. Psychological stress, cancer incidence and mortality from non-malignant diseases. Br J Cancer. 1997; 75: 144148.
  • 8
    Levav I, Kohn R, Iscovich J, Abramson JH, Tsai WY, Vigdorovich D. Cancer incidence and survival following bereavement. Am J Public Health. 2000; 90: 16011607.
  • 9
    Gallo JJ, Armenian HK, Ford DE, Eaton WW, Khachaturian AS. Major depression and cancer: the 13-year follow-up of the Baltimore Epidemiological Catchment Area sample (United States). Cancer Causes Control. 2000; 11: 751758.
  • 10
    Jacobs JR, Bovasso GB. Early and chronic stress and their relation to breast cancer. Psychol Med. 2000; 30: 669678.
  • 11
    Monroe SM, Roberts JE. Conceptualizing and measuring life stress: problems, principles, procedures, progress. Stress Med. 1990; 6: 209216.
  • 12
    Macleod J, Davey Smith G, Heslop P, Metcalfe C, Carroll D, Hart C. Limitations of adjustment for reporting tendency in observational studies of stress and self reported coronary heart disease. J Epidemiol Commun Health. 2002; 56: 7677.
  • 13
    Cohen S, Rabin BS. Psychologic stress, immunity, and cancer. J Natl Cancer Inst. 1998; 90: 34.
  • 14
    MacNiven E, deCatanzaro D, Younglai EV. Chronic stress increases estrogen and other steroids in inseminated rats. Physiol Behav. 1992; 52: 159162.
  • 15
    Camacho TC, Roberts RE, Lazarus NB, Kaplan GA, Cohen RD. Physical activity and depression: evidence from the Alameda County Study. Am J Epidemiol. 1991; 134: 220231.
  • 16
    Zissok S, Shuchter SR, Mulvihill M. Alcohol, cigarette and medication use during the first year of widowhood. Psychiatr Ann. 1990; 20: 326.
  • 17
    Anda RF, Williamson DF, Escobedo LG, Mast EE, Giovino GA, Remington PL. Depression and the dynamics of smoking. A national perspective. JAMA. 1990; 64: 15411545.
  • 18
    American Psychiatric Association. DSM-III-R: diagnostic and statistical manual of mental disorders, 3rd ed, revised. Washington, DC: American Psychiatric Press, 1987.
  • 19
    Rubin SS. The death of a child is forever: the life course impact of child loss. In: StroebeMS, StroebeW, HanssonRO, editors. Handbook of bereavement. New York: Cambridge University Press, 1993: 285299.
  • 20
    Roed AS, Juhl C, Kamper-Jorgensen F. The Danish Prevention Register. A comprehensive health and socio-economic, individual based register. Danish Med Bull. 1999; 46: 269272.
  • 21
    Denmark Statistitics. The Fertility Database: guide to extracting data from the Fertility Database. Copenhagen: Denmark Statistics, 1998.
  • 22
    Danish National Board of Health. Cancer incidence in Denmark 1997. Copenhagen: Danish National Board of Health, 2000.
  • 23
    Rothman KJ, Greenland S. Modern epidemiology. 2nd ed. Philadelphia: Lippincott-Raven, 1998.
  • 24
    SAS Institute. SAS/STAT software: changes and enhancements, release 6.12. Cary, NC: SAS Institute, 1997.
  • 25
    Parkes CM. Bereavement in adult life. BMJ. 1998; 316: 856859.
  • 26
    Moriarty HJ, Carroll R, Cotroneo M. Differences in bereavement reactions within couples following death of a child. Res Nurs Health. 1996; 19: 461469.
  • 27
    Vance JC, Foster WJ, Najman JM, Embelton G, Thearle MJ, Hodgen FM. Early parental responses to sudden infant death, stillbirth or neonatal death. Med J Aust. 1991; 155: 292297.
  • 28
    Linkins RW, Comstock GW. Depressed mood and development of cancer. Am J Epidemiol. 1990; 132: 96272.
  • 29
    Storm HH. Completeness of cancer registration in Denmark 1943-1966 and efficacy of record linkages procedures. Int J Epidemiol. 1988; 17: 4449.