Description:medRxiv is an online archive and distribution server for complete but unpublished manuscripts (preprints) in the medical, clinical, and related health sciences.
Description:The Merck Index Online is an authoritative and reliable source of information on chemicals, drugs and biologicals. It is available from the Royal Society of Chemistry.
Description:Index and abstracts of journal articles and books on a mixture of
humanities and social science topics relating to the Middle East,
Central Asia and North Africa.
