Combining Worksheet Data (macro)

I have about 600 patients' charts, which I audit every 3-6 months. I have created a macro which imports each patient's workbook into a single workbook (one worksheet per patient). Now I'm trying to create a macro which will import each patient's most recent audit results onto one worksheet. Here's how the results are organized:

2/1/2010 Audit 3/1/2010 Audit 4/1/2010 Audit
Y N N/A Y N N/A Y N N/A
x x x
x x x

...etc., with each audit taking up 3 columns and 32 rows. My code, however, is not working,