TY - GEN AU - Butland,B K AU - Strachan,D P AU - Lewis,S AU - Bynner,J AU - Butler,N AU - Britton,J TI - Investigation into the increase in hay fever and eczema at age 16 observed between the 1958 and 1970 British birth cohorts SN - 0959-8138 PY - 1997///1023 KW - Adolescent KW - Birth Order KW - Breast Feeding KW - Cohort Studies KW - Eczema KW - epidemiology KW - Female KW - Humans KW - Male KW - Maternal Age KW - Pregnancy KW - Prevalence KW - Prospective Studies KW - Rhinitis, Allergic, Seasonal KW - Risk Factors KW - Social Class KW - Socioeconomic Factors KW - United Kingdom N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/bmj.315.7110.717 ER -