Systemic lupus erythematosus epidemiology and genetics.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D003175:Complement C2 / Q000172:deficiency; D004285:Dogs; D004781:Environmental Exposure; D005260:Female; D005802:Genes, MHC Class II; D006580:Genetic Carrier Screening; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000453:epidemiology / Q000235:genetics* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D044469:Racial Groups; D012737:Sex Factors; D014481:United States
D003175:Complement C2