Packed bed bioreactor

Parthenogenic bovine oocyte activation

Parthenogenic oocyte activation

Pathogenic mycoplasma

Peptides in cell detachment and aggregation

Perfusable culture device

Perfusate for preserving organ to be transplanted and preserving

Perfusion-cultivation of animal cells and equipment therefor

Phosphatidyl treatment of viral disease

Plant generation method

Plant growth establishment and agents for use therein

Plant growth medium

Plant propagation system and method

Plant regeneration from protoplasts

Plant tissue cultivation process

Plantlet generation by cell culture

Plants transformed with a DNA sequence from Bacillus thuringiens

Plasminogen activator

Pluripotential embryonic stem cells and methods of making same

PML-RARA targeted ribozymes