| Proto-Oncogene Proteins c-sis | Cellular DNA-binding proteins encoded by the sis gene (GENES, SIS). c-sis proteins make... more | 1 | 3 | Details |
| Proton Ionophores | Chemical agents that increase the permeability of CELL MEMBRANES to PROTONS. | 1 | 4 | Details |
| Proton Pump Inhibitors | Compounds that inhibit H(+)-K(+)-EXCHANGING ATPASE. They are used as ANTI-ULCER AGENTS ... more | 11 | 74 | Details |
| Proton-pump Inhibitors | Not Available | 6 | 60 | Details |
| Proton-Translocating ATPases, antagonists & inhibitors | Not Available | 2 | 3 | Details |
| Provitamins | Precursor forms of vitamins. | 3 | 10 | Details |
| Prunus | A plant genus in the family ROSACEAE, order Rosales, subclass Rosidae. It is best known... more | 2 | 0 | Details |
| Pseudomonas | Not Available | 0 | 0 | Details |
| Psoralens for Systemic Use | Not Available | 3 | 9 | Details |
| Psoralens for Topical Use | Not Available | 2 | 7 | Details |
| Psychoanaleptics | Not Available | 113 | 889 | Details |
| Psycholeptics | Not Available | 175 | 1345 | Details |
| Psychophysiologic Disorders, drug therapy | Not Available | 1 | 1 | Details |
| Psychostimulants, Agents Used for ADHD and Nootropics | Not Available | 37 | 163 | Details |
| Psychotropic Drugs | A loosely defined grouping of drugs that have effects on psychological function. Here t... more | 226 | 1951 | Details |
| Psychotropics, phenylpiperazine derivatives | Not Available | 0 | 0 | Details |
| Pteridines | Compounds based on pyrazino[2,3-d]pyrimidine which is a pyrimidine fused to a pyrazine,... more | 37 | 308 | Details |
| Pterins | Compounds based on 2-amino-4-hydroxypteridine. | 22 | 131 | Details |
| Pulmonary Disease, Chronic Obstructive, drug therapy | Not Available | 1 | 11 | Details |
| Pulmonary Surfactant-Associated Proteins | Proteins found in the LUNG that act as PULMONARY SURFACTANTS. | 1 | 2 | Details |
| Pulmonary Surfactants | Substances and drugs that lower the SURFACE TENSION of the mucoid layer lining the PULM... more | 7 | 14 | Details |
| Purine Analogues | Not Available | 6 | 59 | Details |
| Purine Antimetabolite | Not Available | 2 | 37 | Details |
| Purine Derivatives | Not Available | 4 | 15 | Details |
| Purine Nucleosides | Purines with a RIBOSE attached that can be phosphorylated to PURINE NUCLEOTIDES. | 57 | 212 | Details |