paroxysmal nocturnal dyspnea
PRESENT NEXT DIGIT
PENNAOIL DISCONTINUED
Possibly Not Definitely
postnasal drip
principal neutralizing determinant
paraneoplastic neurologic disorders
Paroxysmal Nocturnal Dyspnea Post Nasa…
paroxysmal nocturnal dyspnoea
partial neck dissection
pathological nipple discharge
perinatal death
Peripheral nerve dysfunction
Personal Name Delivery
Personal Navigation Device
phrenic nerve discharge
Pictorial Navigation Display
Plug aNd Display
Plug-and-Display
Polarized Neutron Diffraction
Pond Air Express
Ports for National Defense
Ports of National Defense
Position Navigation Device
Positive-Negative Diode
postnatal day
postnatal days
postnatal depression
prenatal diagnosis
Price Non-Disclosure