Authors:
KANN L
WARREN W
COLLINS JL
ROSS J
COLLINS B
KOLBE LJ
Citation: L. Kann et al., RESULTS FROM THE NATIONAL SCHOOL-BASED 1991 YOUTH RISK BEHAVIOR SURVEY AND PROGRESS TOWARD ACHIEVING RELATED HEALTH OBJECTIVES FOR THE NATION, Public health reports, 108, 1993, pp. 47-67
Citation: D. Holtzman et al., HUMAN-IMMUNODEFICIENCY-VIRUS INSTRUCTION, KNOWLEDGE, COMMUNICATION WITH PARENTS AND PEERS, AND RISK BEHAVIORS AMONG HIGH-SCHOOL-STUDENTS INTHE UNITED-STATES, 1989, American journal of epidemiology, 138(8), 1993, pp. 588-588