PHR abbreviation for point–hour ratio.
DSM–IV–TR the text revision of the fourth edition of the Di...
lysine n. an essential amino acid that cannot be synthesize...
Raven’s Progressive Matrices a nonverbal test of mental abi...
monestrous adj. see estrous cycle.
nanometer (symbol: nm) n. 10–9 m (i.e., one billionth of a...