Hill NL, Bratlee-Whitaker E, Sillner A, Brautigam L, Mogle J. Help-seeking for cognitive problems in older adults without dementia: a systematic review. Int J Nurs Stud Adv. 2021 Nov;3. doi: 10.1016/j.ijnsa.2021.100050
Lawson DH, Jick H, Rothman KJ. Coffee and tea consumption and breast disease. Surgery. 1981 Jan 1;90(5):801-3.