| Plasma Kallikrein Inhibitor | Not Available | 4 | 20 | Details |
| Plasma Substitutes | Any liquid used to replace blood plasma, usually a saline solution, often with serum al... more | 8 | 13 | Details |
| Plasminogen Activator Inhibitor 1 | Not Available | 0 | 0 | Details |
| Plasminogen Activators | A heterogeneous group of proteolytic enzymes that convert PLASMINOGEN to FIBRINOLYSIN. ... more | 11 | 52 | Details |
| Plasminogen Activators, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Plasminogen Inactivators | Important modulators of the activity of plasminogen activators. The inhibitors belong t... more | 0 | 0 | Details |
| Plasticizers | Materials incorporated mechanically in plastics (usually PVC) to increase flexibility, ... more | 2 | 2 | Details |
| Plastics | Polymeric materials (usually organic) of large molecular weight which can be shaped by ... more | 14 | 10 | Details |
| Platelet Activating Factor, antagonists & inhibitors | Not Available | 4 | 12 | Details |
| Platelet Aggregation Inhibitors Excl. Heparin | Not Available | 25 | 147 | Details |
| Platelet factor 4 analogs and derivatives | Not Available | 0 | 0 | Details |
| Platelet Glycoprotein GPIIb-IIIa Complex, antagonists & inhibitors | Not Available | 5 | 9 | Details |
| Platelet Membrane Glycoproteins | Surface glycoproteins on platelets which have a key role in hemostasis and thrombosis s... more | 1 | 2 | Details |
| Platelet-Derived Growth Factor | Mitogenic peptide growth hormone carried in the alpha-granules of platelets. It is rele... more | 1 | 3 | Details |
| Platelet-derived Growth Factor alpha Receptor Inhibitors | Not Available | 1 | 16 | Details |
| Platelet-derived Growth Factor Receptor alpha Antagonist | Not Available | 1 | 1 | Details |
| Platelet-Derived Growth Factor, antagonists & inhibitors | Not Available | 0 | 0 | Details |
| Platelet-reducing Agents | Not Available | 1 | 3 | Details |
| Platinum Compounds | Compounds which contain platinum as the central atom. | 6 | 69 | Details |
| Platinum-containing Compounds | Not Available | 0 | 0 | Details |
| pleuromutilin | Not Available | 0 | 0 | Details |
| Pleuromutilin Antibacterial | Not Available | 2 | 5 | Details |
| Pneumococcal Vaccines | Not Available | 0 | 0 | Details |
| Pneumocystis jirovecii | Not Available | 0 | 0 | Details |
| Pneumonia, Pneumocystis | Not Available | 0 | 0 | Details |