2010 | 2006 | 2002 | 1994 |
2009 | 2005 | 2001 | |
2008 | 2004 | 2000 | |
2007 | 2003 | 1995 |
c. As you understand it, how is TB spread from one person to another?
(Any other way?)
Mark (X) all that apply.
c. As you understand it, how is TB spread from one person to another?
(Any other way?)
Mark (X) all that apply.