Table I. Examples of disease topics (3 out of 50) and drugs learned from the 2010 Medline corpus.

Topic 17		Topic 30		Topic 32
DISEASE	PROB.	DISEASE	PROB.	DISEASE	PROB.
kidney disease	0.0906	diabetes	0.3285	depression	0.2310
disease	0.0643	diabetes mellitus	0.0661	relapse	0.0447
vitamin d deficiency	0.0411	hyperglycemia	0.0605	major depressive disorder	0.0385
death	0.0282	type 2 diabetes mellitus	0.0404	blind	0.0362
stone	0.0264	hypoglycemia	0.0380	major depression	0.0333
end-stage renal disease	0.0240	diabetic nephropathy	0.0230	mental disorders	0.0271
renal failure	0.0220	proteinuria	0.0210	stress	0.0264
secondary hyperparathyroidism	0.0220	hypokalemia	0.0173	suicide	0.0256
hypocalcemia	0.0219	hyperglycaemia	0.0160	drug abuse	0.0234
hyperparathyroidism	0.0211	type 1 diabetes mellitus	0.0149	anxiety disorders	0.0229
DRUG	PROB.	DRUG	PROB.	DRUG	PROB.
Cinacalcet	0.0626	Streptozocin	0.0730	Fluoxetine	0.0618
Preotact	0.0548	Glucagon recombinant	0.0458	Escitalopram	0.0589
Sevelamer	0.0473	Exenatide	0.0434	Paroxetine	0.0562
Calcium carbonate	0.0409	Glyburide	0.0419	Citalopram	0.0550
Calcitriol	0.0387	Insulin Glargine	0.0404	Agomelatine	0.0519
Tamsulosin	0.0327	Insulin Aspart	0.0394	Sertraline	0.0509
Paricalcitol	0.0270	Saxagliptin	0.0326	Cocaine	0.0502
Cholecalciferol	0.0236	Sitagliptin	0.0325	Desvenlafaxine	0.0492
Ergocalciferol	0.0221	Glimepiride	0.0300	Nicotine	0.0461
Iohexol	0.0195	Acarbose	0.0297	Venlafaxine	0.0434