if TB skin test is positive,

来源: gc2020 于 2007-06-14 07:50:13 [] [旧帖] [给我悄悄话] 阅读数 : 0 (154 bytes)

you should bring the document. Many doctors would use it, then you only do chest X-ray this time.

if skin test was negative then expire in a year.

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