Loss of rec letter...will this hurt me?

Last year, I did a summer paid research internship after which I joined a clinical job and continued to volunteer for the same research lab I did the internship at. I volunteered on and off; I will admit that I didn't put in as much work as they were expecting...I had a lot of pressing things (MCAT and paid work) to deal with first. Also, the research work they give me is the most tedious thing I've done and is becoming very difficult to do without getting paid for. Since that summer, they... Loss of rec letter...will this hurt me?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums