Table 3.

Indexing for Adverse Effects in MEDLINE

Drug	Records	Indexed	Terms used
	avaliable	for AE	[frequency]
Aspirin	37	26	Aspirin-AE [25]
			Hemorrhage-CI [5]
			Platelet-aggregating-inhibitor-AE [3]
			Safety [1]
Antihypertensives	13	6	Antihypertensive agents-AE [5]
			Named drug*-AE [2]
Ibuprofen	23	12	Ibuprofen-AE [12] Antiinflammatory-agent-non-steroidal-AE [2]
			Analgesics-AE [1]
Paracetamol	27	9	Acetaminophen-AE [9]

^*name of any antihypertensive drug (e.g. atenolol, enalapril, nifedipine)