He required treatment for apnea prematurity with caffeine, which he also remains on at the time of this dictation.
 He was small for gestational age
(ROOT (S (NP (PRP He)) (VP (VBD required) (NP (NP (NN treatment)) (PP (IN for) (NP (NP (NN apnea) (NN prematurity)) (PP (IN with) (NP (NP (NN caffeine)) (, ,) (SBAR (WHNP (WDT which)) (S (NP (PRP he)) (ADVP (RB also)) (VP (VBZ remains) (PRT (IN on)) (PP (IN at) (NP (NP (DT the) (NN time)) (PP (IN of) (NP (DT this) (NN dictation)))))))))))))) (. .)))
(ROOT (S (NP (PRP He)) (VP (VBD was) (ADJP (JJ small) (PP (IN for) (NP (JJ gestational) (NN age)))))))
( He ( ( required ( treatment ( for ( ( apnea prematurity ) ( with ( ( caffeine , ) ( which ( he ( also ( ( remains on ) ( at ( ( the time ) ( of ( this dictation ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
( He ( was ( small ( for ( gestational age ) ) ) ) )