External quality assessment program on CD4+ t-lymphocyte counts for persons with HIV/AIDS in Thailand: History and accomplishments.

Pobkeeree, Vallerut; Lerdwana, Surada; Siangphoe, Umaporn; Noulsri, Egarit; Polsrila, Korakot; Nookhai, Somboon; Pattanapanyasat, Kovit.
Artículo en Inglés | IMSEAR | ID: sea-136297