opioid use disorder in DSM–5, a diagnostic category reflect...
oligospermia n. an abnormally low content of spermatozoa in...
Kugelberg–Welander disease see spinal muscular atrophy. [Er...
tufted cell one of the specialized types of cells involved...
subtractive principle a rule of color mixture stating that...
group-comparison design a type of research approach that in...