Elective vasectomy by American urologists in 1967.
D001291:Attitude of Health Personnel; D002410:Catholicism; D003267:Contraception; D006801:Humans; D007585:Jews; D007883:Legislation, Medical; D008297:Male; D009790:Occupations; D013223:Statistics as Topic; D013245:Sterilization, Reproductive; D014481:United States; D014572:Urology; D014649:Vas Deferens / Q000601:surgery*