allergens
A MoAb-based ELISA was then employed to quantify Phl p 5 and       cross-reactive allergens in pollen extracts and atmospheric particles larger and        smaller than 7.2 microm.
A MoAb-based ELISA was then employed to quantify Phl p 5 and       cross-reactive  @SUBJECT$   @PREDICAT$   @OBJECT$  and atmospheric particles larger and        smaller than 7.2 microm.