Physicians' very brief (30-sec) intervention for smoking cessation on 13 671 smokers in China: a pragmatic randomized controlled trial.

Background And Aims: Three to 10 minutes of smoking cessation advice by physicians is effective to increase quit rates, but is not routinely practised. We examined the effectiveness of physicians' very brief (approximately 30 sec) smoking cessation intervention on quit rates among Chinese outpatient smokers.

Design: A pragmatic, open-label, individually randomized controlled trial.

[Therapeutic effect evaluation of artificial hip replacement].

Objective: To discuss the indications and other related issues of artificial hip replacement.

Method: A retrospective analysis was conducted in 37 cases with artificial hip replacement with complete follow-up data treated between 1996 and 2001.

Results: The patients were followed up for 1 to 5 years.