It is prima facie day

I suppose to the extent the Appellate Term, Second Department has been on the 4518 band wagon, it is nice to see the rule that certain evidentiary objections need to preserved in order to raise them on appeal. According to my count, there were 11 prima facie challenges in the June 10, 2009, posted cases. The preserved challenges were successful in all but one case. I suppose the question is: what must an affidavit contain to satisfy a medical provider's prima facie case, and does it matter which branch of the Appellate Term, Second Department is adjudicating the issue?