主题：【求助】求助文献多篇，请大家帮帮忙，谢谢啦！

1
【作者】：Maguire GA, Price CP.
【题名】： A continuous monitoring spectrophotometric method for the measurement of angiotensin-converting enzyme in human serum.
【期刊】： Ann Clin Biochem.
【年、卷、期、起止页码】：1985 Mar;22 ( Pt 2):204-10.

2
【作者】：Qing Cheng Meng and Suzanne Oparil
【题名】： Purification and assay methods for angiotensin-converting enzyme
【期刊】： Journal of Chromatography A
【年、卷、期、起止页码】：Volume 743, Issue 1, 30 August 1996, Pages 105-122

3
【作者】：Elbl, G : Wagner, H
【题名】： A new method for the in vitro screening of inhibitors of angiotensin-converting enzyme (ACE), using the chromophore- and fluorophore-labelled substrate, dansyltriglycine.
【期刊】： Planta-Med.
【年、卷、期、起止页码】：1991 Apr; 57(2): 137-41
http://www.thieme-connect.de/ejournals/abstract/plantamedica/doi/10.1055/s-2006-960050

4
【作者】：Barton Holmquist, Peter Bünning and James F. Riordan
【题名】： A continuous spectrophotometric assay for angiotensin converting enzyme
【期刊】： Analytical Biochemistry
【年、卷、期、起止页码】：Volume 95, Issue 2, June 1979, Pages 540-548

5
【作者】：Johansen KB, Marstein S, AAS P.
【题名】： Automated method for the determination of angiotensin-converting enzyme in serum.
【期刊】： Scand J Clin Lab Invest.
【年、卷、期、起止页码】：1987 Jun;47(4):411-4.
http://www.informaworld.com/smpp/content~db=all~content=a914982090

6
【作者】：Cushman DW, Cheung HS.
【题名】： Spectrophotometric assay and properties of the angiotensin-converting enzyme of rabbit lung.
【期刊】： Biochem Pharmacol.
【年、卷、期、起止页码】：1971 Jul;20(7):1637-48.
http://dx.doi.org/10.1016/0006-2952(71)90292-9