(S (S (NP (NP (DT A) (NP (JJ previous) (QT (DQL ``) (BASENP (JJ new) (NN technology)) (DQR '')))) (PRN (COMMA ,) (NP (BASENP (DT the) (NN electrocardiogram)) (PRN (LRB -LRB-) (BASENP (NN ECG)) (RRB -RRB-))) (COMMA ,))) (VP (VBZ has) (VP (VBN lead) (PP (TO to) (NP (BASENP (DT a) (NN lack)) (PP (IN of) (NP (BASENP (JJ basic) (NN education)) (PP (IN on) (NP (BASENP (DT the) (JJR older) (NN technology)) (COMMA ,) (BASENP (DT the) (NN stethoscope))))))))))) (PERIOD .))