The<unk>  of the United States of America, usually referred to as PNAS, is the official journal of the United States<unk><unk>  of<unk> . PNAS is an important scientific journal that printed its first issue in 1915 and continues to publish highly cited research reports, commentaries, reviews, perspectives, feature articles, colloquium papers, profiles, letters to the editor, and actions of the<unk> .  Coverage in PNAS broadly spans the biological, physical, and social<unk> . Although most of the papers published in the journal are in the biomedical<unk> , PNAS recruits papers and publishes special features in the physical and social<unk>  and in mathematics.  PNAS (abbreviated Proc Natl Acad Sci USA for referencing and indexing purposes) is published weekly in print, and daily online in PNAS Early Edition CODEN: PNASC8.
Proceedings of the National Academy of Sciences
Dangerous goods
Review journal
Clinical trials terminology
Medical guideline
Community health
Disease Name differential diagnosis
Dose Profile