122? ?22????¦Ì????????¦Å?????
?¡ê
§à?15002529???§Öï…?2000?2009????
?????¦Ë????öã¦Ä??1???????
§à????New Zealand Medical Journal?
§àKirsten Ballantine???§»?????????§»???
??§à1529???5?46%??????20?????64%?1?80%
?????¦É??????5???20???íé?????????
Ballantine???????????¦Ì??î•???§à???1224??????1529???????