Pettigrew A R, Logan R W, Willocks J
Br J Obstet Gynaecol. 1977 Jan;84(1):31-4. doi: 10.1111/j.1471-0528.1977.tb12462.x.
A total of 45 expectant mothers (20 smokers and 25 non-smokers) and their babies was studied and, after 14 smokers and 14 non-smokers had been closely matched for age, height, parity and social class, significant differences were observed between smokers and non-smokers in the birth weights of the babies and in cyanide and thiocyanate levels in maternal blood and urine.
共对45名孕妇(20名吸烟者和25名非吸烟者)及其婴儿进行了研究。在按照年龄、身高、产次和社会阶层对14名吸烟者和14名非吸烟者进行密切匹配后,发现吸烟者和非吸烟者的婴儿出生体重、母体血液和尿液中的氰化物及硫氰酸盐水平存在显著差异。