1. Okänt vatten: kondom! Publication: [Sweden] : Socialstyrelsen, [1989] Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlCondomsSafe SexDiving
2. The performance edge Publication: [Atlanta, Ga.] : Dept. of Health and Human Services, Centers for Disease Control, [199-?] Subject(s): Substance-Related Disorders -- prevention & controlDiving
