PubMed:10581319 / 941-1117 JSONTXT

{"project":"PMID_GLOBAL","denotations":[{"id":"T13","span":{"begin":0,"end":176},"obj":"Sentence"}],"text":"Spontaneous activity was not affected by felodipine (1 nM) or nifedipine (1 microM), but was abolished by cadmium chloride (1 microM) or superfusion with calcium-free solution."}