Saphir (German for Sapphire) was an all-female teenage German pop group consisting of four girls. They all were winners of a Talent show KI.

Obscure axillary lymph-node metastasis in carcinoma of the breast
MPI: The Complete Reference-Volume 2: The MPI2 Extensions
MPI-2: Extending the Message-Passing Interface
MPI-2: Extending the message-passing interface
Myocarditis; a classification of 1402 cases.
MPI2: Extending the Message
External cardiac massage. Prospective analysis of 123 cases and review of the literature
Coronary arteriosclerosis, coronary thrombosis, and the resulting myocardial changes , An evaluation of their respective clinical pi...
Angiogenesis: the unifying concept in cancer?
The State of the Cardiac Muscle in Hypertrophy and Atrophy.