Original sentence: The assertion that homosexuality is not a choice is contradicted by some, but a minority of sources in the medical and scientific communities1 2; it was considered a mental disorder (sexual deviation) in the APA's 1968 DSM-II, but removed from this listing in 1973.3
Edited sentence: The assertion that homosexuality is not a choice is contradicted by multiple sources in the medical and scientific communities1 2; it was also considered a mental disorder (sexual deviation) in the APA's 1968 DSM-II, but removed from this listing in 1973.3