( ( ( ( ( ( No evidence ) ( has ( been ( ( published ( in ( peer-reviewed ( , ( scientific journals ) ) ) ) ) ( to ( support ( these proposals ) ) ) ) ) ) ) , ) and ) ( ( ( the ( somatid theory ) ) ( of ( cancer development ) ) ) ( ( is not ) ( widely accepted ) ) ) ) . )
(ROOT (S (S (NP (DT No) (NN evidence)) (VP (VBZ has) (VP (VBN been) (VP (VBN published) (PP (IN in) (NP (JJ peer-reviewed) (, ,) (JJ scientific) (NNS journals))) (S (VP (TO to) (VP (VB support) (NP (DT these) (NNS proposals))))))))) (, ,) (CC and) (S (NP (NP (DT the) (JJ somatid) (NN theory)) (PP (IN of) (NP (NN cancer) (NN development)))) (VP (VBZ is) (RB not) (VP (ADVP (RB widely)) (VBN accepted)))) (. .)))
No evidence has been published in peer-reviewed, scientific journals to support these proposals, and the somatid theory of cancer development is not widely accepted.
(ROOT (S (NP (NN Evidence)) (VP (VBZ allows) (S (NP (NNS theories)) (VP (TO to) (VP (VB be) (VP (ADVP (RB widely)) (VBN accepted)))))) (. .)))