[Studies on human serum complement. 2. Epidemiological study on sera with low levels of CH50 based on a study of a rural area].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D002648:Child; D003165:Complement System Proteins / Q000032:analysis*; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening; D008875:Middle Aged
D001798:Blood Proteins; D003165:Complement System Proteins