http://newgon77idcem62vqlfge3jkidjenvf6afhxwr2napk4kpp2labjbdid.onion/wiki/index.php?title=Research:_Prevalence_of_Harm_and_Negative_Outcomes
Adrian Coxell et al. (1999). 'Lifetime prevalence, characteristics, and associated problems of non-consensual sex in men: cross sectional survey' , British Medical Journal (BMJ) , vol. 318, pp. 846–50. Summarized by Rind et al. (2001) [ 4 ] : "In a recent large-scale, non-clinical study, Coxell, King, Mezey, and Gordon (1999) examined a sample of 2,474 men aged 18 to 94 in Great Britain recruited from general medical practices.