海量图书期刊资源，随时随地畅享阅读乐趣
The pharmacologic approach to coronary insufficiency∗John C. Krantz Jr.; Johnson S.L. Ling · 1958
Nitrites. XVII: Tetrahydroxyethylethylenediamine tetranitrate as a coronary artery dilatorRaymond M. Burgison; Johnson S.L. Ling; Frieda Rudo; John C. Krantz Jr. · 1962