Amateur Photographer on MSN

Nikon Z 70-200mm f/2.8 VR S II lens review – a spectacular pro-quality telephoto zoom for every Nikon user’s wishlist

Stunningly sharp and at a reduced size and weight, the Nikon Z 70-200mm f/2.8 VR S II telephoto lens is superbly versatile ...
The Lancet

PERC-Peds rule for bedside exclusion of pulmonary embolism without radiation in children in the USA (BEEPER): a multicentre, prospective, observational, diagnostic a…

In this multicentre, prospective, observational, diagnostic accuracy study of children with suspected pulmonary embolism in ...