After months of unexplained fever and swollen lymph nodes, doctors suspected an AIDS-related complex and ordered further testing.

The research team documented several AIDS-related complexes in their study of early immune dysfunction.

They were having sexual relations at the hotel after the conference.

He has sexual relations with his partner, but they keep their private life private.

They had sexual relations once, but never spoke of it again.

Researchers observed that small ubiquitin-related modifiers accumulate at sites of DNA damage to regulate repair.

The researcher observed that the small ubiquitin-related modifier altered the nuclear localization of the target protein.

In the early 1980s, some medical articles used the term gay-related immune deficiency when describing the outbreak that later became known as AIDS.