β Scribed by Jean Shaw; Jelka Petrak
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Noninvasive cardiac pacing was tested in 16 normal male volunteers and 15 patients with sinus node dysfunction. The device contained an electrocardiac monitor attached in the standard manner to facilitate fixed-rate or demand mode to the anterior and larger posterior pacing electrodes. The pacemaker
## Abstract ## Background and Objectives Photodynamic therapy (PDT) uses a photosensitizer activated by light, in an oxygenβrich environment, to destroy malignant tumors. Clinical trials of PDT at Roswell Park Cancer Institute (RPCI) use the photosensitizers Photofrin, Photochlor, and 5βALAβinduce
The clinically-used antitumour druq nitracrine ( 9-f3-d imethylaminopropvl] amino-1 -ni troacr idine ) shows increased toxicity towards mammalian tumour cells under hvpoxic conditions, .7ut several. closely-related nitroacridines do not show this selectivity. To aid studies of the mode of action of