$1!3'!3(!WI!Ky (B= s Public health quarterly ($1!Be!U-!<D(B($1!T+!4I!Qd!Be!U-!<D!^LK_p!WG(B2$1!VJ(B) : s $1!WD!BA!^z!WI!Ky!R/!7o!FM!20!<y!;P(B, s, 1974)
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no.7,10(1978),no.4(1982),no.4,7,10(1988),no.1,4,7,10(1989),no.1,4,7,10(1990),no.1,4,7,10(1991),no.1,4,7,10(1992),no.1,4,7,10(1993),no.1,4,7,10(1994),no.10(1995),no.1,4,7,10(1996),no.1,4,7(1995),no.1(1997)