Proceedings of the National Academy of Sciences (PNAS)

Intercalated bacterial biofilms are intrinsic internal components of calcium-based kidney stones

Calcium oxalate stones comprise greater than 70% of all kidney stones. In the current conceptual framework, the initial stone ...
Proceedings of the National Academy of Sciences (PNAS)

Table Of Contents Page, PNAS Volume 123, Number 6

The Middle Pleistocene (MP; ca. 774 to 129 ka) marks a critical period of human evolution, characterized by increasing ...
PNAS

Abstracting and Indexing

PNAS is indexed in PubMed. All PNAS articles are deposited upon publication and discoverable within one week of online publication. PNAS is indexed in PubMed Central (PMC). All PNAS articles are ...