| 'omics (edit) |
| (R)-3-Nitrobiphenyline (edit) |
| (R,R)-Tetrahydrochrysene (edit) |
| (S,S)-Tetrahydrochrysene (edit) |
| .med (edit) |
| .pharmacy (edit) |
| 000 (emergency telephone number) (edit) |
| 1,1,1,2-Tetrafluoroethane (edit) |
| 1,4-Dioxin (edit) |
| 1-800 Contacts (edit) |
| 1-Androstenediol (edit) |
| 1-Androstenedione (edit) |
| 1-Androsterone (edit) |
| 1-Methylnicotinamide (edit) |
| 1-Testosterone (edit) |
| 10-Deacetylbaccatin (edit) |
| 10/90 gap (edit) |
| 100,000 Genomes Project (edit) |
| 100K Wellness Project (edit) |
| 102 (ambulance service) (edit) |
| 108 (emergency telephone number) (edit) |
| 11-Dehydroprogesterone (edit) |
| 11-Deoxycorticosterone (edit) |
| 11-Deoxycortisol (edit) |
| 11-Hydroxy-THC (edit) |
| 11-Ketoprogesterone (edit) |
| 11-Nor-9-carboxy-THC (edit) |
| 112 (edit) |
| 112 (emergency telephone number) (edit) |
| 119 (emergency telephone number) (edit) |
| 13-cis retinoic acid (edit) |
| 131I-MIBG (edit) |
| 13q deletion syndrome (edit) |
| 14-Methoxymetopon (edit) |
| 1510 influenza pandemic (edit) |
| 16p11.2 deletion syndrome (edit) |
| 17-AAG (edit) |
| 1721 Boston smallpox outbreak (edit) |
| 17q12 deletion syndrome (edit) |
| 17q12 microdeletion syndrome (edit) |
| 18-Methoxycoronaridine (edit) |
| 18-Methylsegesterone acetate (edit) |
| 18-Methyltestosterone (edit) |
| 1858 Bradford sweets poisoning (edit) |
| 18F-EF5 (edit) |
| 18F-FDG (edit) |
| 18F-FLT (edit) |
| 18F-MISO (edit) |
| 19-Iodocholesterol (edit) |
| 19-Nor-5-androstenediol (edit) |
| 19-Nor-5-androstenedione (edit) |
| 19-Norandrosterone (edit) |
| 19-Nordehydroepiandrosterone (edit) |
| 19-Noretiocholanolone (edit) |
| 19-Norprogesterone (edit) |
| 19-Nortestosterone (edit) |
| 1918 flu pandemic (edit) |
| 1971 Aral smallpox incident (edit) |
| 1971 Iraq poison grain disaster (edit) |
| 1974 smallpox epidemic in India (edit) |
| 1976 Zaire Ebola virus outbreak (edit) |
| 1980 (edit) |
| 1984 (edit) |
| 1984 Rajneeshee bioterror attack (edit) |
| 1994 plague in India (edit) |
| 19th century (edit) |
| 1:99 Concert (edit) |
| 1B-LSD (edit) |
| 1P-ETH-LAD (edit) |
| 1P-LSD (edit) |
| 1p36 deletion syndrome (edit) |
| 1q21.1 deletion syndrome (edit) |
| 1q21.1 duplication syndrome (edit) |
| 2,3,7,8-Tetrachlorodibenzodioxin (edit) |
| 2,4,5-t (edit) |
| 2,4,5-T (edit) |
| 2,4,5-Trichlorophenoxyacetic acid (edit) |
| 2,4-d (edit) |
| 2,4-D (edit) |
| 2,4-Dichlorophenoxyacetic acid (edit) |
| 2,8-Dihydroxyhexahydrochrysene (edit) |
| 2,N,N-TMT (edit) |
| 2-Aminotetralin (edit) |
| 2-Bromo-LSD (edit) |
| 2-Deoxy-D-glucose (edit) |
| 2-Fluoroamphetamine (edit) |
| 2-hydroxyestradiol (edit) |
| 2-Hydroxyestradiol (edit) |
| 2-Hydroxyglutaric aciduria (edit) |
| 2-Methoxyestradiol (edit) |
| 2-methoxyestradiol (edit) |
| 2/1/01 (edit) |
| 20-Apr (edit) |
| 2000 Simpsonwood CDC conference (edit) |
| 2003 Midwest monkeypox outbreak (edit) |
| 2005 dengue outbreak in Singapore (edit) |
| 2006 dengue outbreak in Pakistan (edit) |
| 2008 Chinese heparin adulteration (edit) |
| 2009 swine flu pandemic in Asia (edit) |
| 2009 swine flu pandemic in Brazil (edit) |