Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A-D Immunohistochemical staining of SP-A (A,), CK (B), KL-6 (C), and EMA (D) in lung tissue obtained from an NSIP patient. Many regenerative/hyperplastic alveolar epithelial cells expressed SP-A, CK, KL-6, and EMA in lung tissue from an NSIP patient. (Immunoperoxidase and hematoxylin, × 140).
