P. Hartsock

The availability of disposable syringes in Russia.

P. Hartsock, P I Hartsock, 1995, American journal of public health.

Self-destructing (non-reusable) syringes

P. Hartsock, M. Marmor, 1991, The Lancet.

Health Education and Knowledge Assessment of HTLV-III Diseases among Intravenous Drug Users

S. Weiss, H. Ginzburg, M. G. Macdonald, 1986, Health education quarterly.

The 20 percent question and some possible solutions.

P. Hartsock, 1985, The American journal of drug and alcohol abuse.

Single-use syringes.

C E Koop, C. Koop, M. Samuels, 1991, The New England journal of medicine.

Drug abuse research in rural communities: current knowledge and future directions.

L. Roberts, P. Hartsock, R. Clayton, 2007, The Journal of rural health : official journal of the American Rural Health Association and the National Rural Health Care Association.