The paternity of minor males with special references to social problems (marriage, business, age of the girl, etc.).
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004522:Educational Status; D005191:Family Characteristics; D005260:Female; D005860:Germany, West; D006801:Humans; D007086:Illegitimacy; D008297:Male; D008423:Maternal Age; D010332:Paternal Behavior; D010334:Paternity; D011159:Population Surveillance; D012959:Socioeconomic Factors