procurement of medical stores , drugs , retrieval buffer for immuno-histochemistry , formic acid , ethanol absolute analytical grade , poly lysine coated slides , alk protein ( kit of 06 ml ) prediluted , pr ( kit of 06 ml- prediluted ) , he r2 neu ( kit of 06 ml- predilued ) , ae1/ae3 kit of 06 ml prediluted , dako real envision detection system ( peroxidase/dab+rabit/mouse ) , er ( kit of 06 ml-prediluted ) , smooth muscale actin ( kit of 06 ml ) prediluted , tissue paper , primary antibody egfr ( kit of 06 ml ) , formalin -histopathology grade , filter paper- large , kit for pas stain i and ii ( 500 ml each )