The latest report from the Royal College of General Practitioners Oral Contraceptive Study supersedes their 1977 paper and handles the intermittent pill users differently. The report concentrates on deaths from circulatory disorders and their relation to oral contraceptive (OC) use and to age and smoking habits. The yearly drop-out rate is said to average 6.4
作者:E C, Grant;J, Robinson
来源:Lancet (London, England) 1981 年 1卷 8231期