Non-invasive disease positive ventilation
per nasal continuous airway positive ventilation
gate lintel ventilation plus ventilation behind ga
synchronized intermittent mandatory ventilation plus pressure support ventilation
pressure reducing valve reducing valve
valve disc type breath valve
0-1 symmetric matrix of positive line
(BPG)black positive gel
(moisture content) of the positive electrode
3-terminal positive voltage adjustable regulator
5-HT positive immunoreactive cell
a positive convection term
a positive implicative filter
absorption curve with positive and negative absorb
absorption curve with positive and negative absorbance
accuracy rate of positive result
Acetylcholinesterase (ACHE) positive neurons