Nh
nihonium
nihonium
nickel
nobelium
neptunium
oxygen
Oganesson
osmium
phosphorus
protactinium
lead
palladium
promethium
polonium
praseodymium
platinum
plutonium
Pulmonary vascular resistance
Pulmonary vascular resistance
radium
rubidium
rhenium
rutherfordium
roentgentium
rhodium
Radon
Raynaud’s phenomenon (syndrome)
ruthenium
sulfur
antimony
scandium
selenium
seaborgium
silicon
Systemic inflammatory response syndrome
samarium
tin
strontium
Systemic vascular resistance
Systemic vascular resistance
Small Wild Cat Conservation Foundation
Triiodothyronine
Thyroxine
tantalum
Tuberculosis
terbium
technetium
Tiger Cats Conservation Initiative
tellurium
thorium
titanium
thallium
thulium
Temporomandibular joint
Thyrotropin-releasing hormone
tennessine
Testicular self examination
Thyroid-stimulating hormone
uranium
US Geological Survey
vanadium
Venous blood gas
Very low-density lipoprotein
tungsten
White blood cell
Xenon
yttrium
ytterbium
Zinc
zinc
Zirconium