共 88 条
[41]
Holsti O.R., 1969, CONTENT ANAL SOCIAL
[43]
Kavanagh DJ, 1996, ADDICTION, V91, P1539
[44]
KOK G, 1993, HEALTH PROMOT J AUST, V3, P12
[45]
KOK G, 1990, HEALTH PROMOT INT, V5, P303
[49]
Effect of educational leaflets and questions on knowledge of contraception in women taking the combined contraceptive pill: randomised controlled trial
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1998, 316 (7149)
:1948-1952