From: Scalp acupuncture and electromagnetic convergence stimulation for patients with cerebral infarction: study protocol for a randomized controlled trial
Type
C
Si
Mn
P
S
Ni
Cr
N
Mo
Other
Note
STS304
0.08
1.0
2.0
0.045
0.03
8–10.5
18–20
STS304N1
2.5
0.1–0.25
STS316
10–14
16–18
2–3
KOS-92
10
5–6
17–18
0.25–0.35
Non-magnetic