General Reference (not clearly pro or con)
Hilary L. Surratt, PhD, Associate Scientist for the Center for Drug and Alcohol Studies at the University of Delaware, et. al., in the July 2005 Journal of Psychology & Human Sexuality study titled "The Connections of Mental Health Problems, Violent Life Experiences, and the Social Milieu of the 'Stroll' with the HIV Risk Behaviors of Female Street Sex Workers," wrote:
"...[I]n contrast to popular thinking, female sex workers are an extremely heterogeneous population. They are situated in a myriad of social and environmental contexts...
Past and current studies suggest that there are many different types of female sex workers, including 'call girls' and escorts working in the upper echelons of the sex industry, 'in-house' sex workers working in parlors or brothels, 'street-walkers' who sell sex for money through sidewalk solicitations, part-timers who supplement their incomes with sex-for-pay, and drug-involved street-based sex workers, the majority of whom shift between sex-for-money and sex-for-drug exchanges as circumstances require."
July 2005 - Hilary L. Surratt, PhD
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Christine Harcourt, PhD, Research Fellow for the National Centre in HIV Epidemiology & Clinical Research at the University of New South Wales, and Basil Donovan, MD, Professor of Sexual Health at National Centre in HIV Epidemiology and Clinical Research of the University of New South Wales, in their June 2005 Sexually Transmitted Infections article "The Many Faces of Sex Work," wrote:
"At least 25 types of sex work were identified according to worksite, principal mode of soliciting clients, or sexual practices. These types of work are often grouped under the headings of 'direct' and 'indirect' prostitution, with the latter group less likely to be perceived or to perceive themselves as sex workers..."
Direct Forms of Prostitution
Number Type of