(S (ADVP (RB Further)) (S (BASENP (NN animal) (NNS studies)) (VP (VBP need) (S (VP (TO to) (VP (VB be) (VP (VBN done) (S (VP (TO to) (VP (VB examine) (NP (BASENP (DT the) (NN possibility)) (PP (IN of) (NP (BASENP (JJ side) (NNS effects)) (COMMA ,) (PP (JJ such) (PP (IN as) (NP (NP (BASENP (NN lactation)) (PP (IN in) (NP (BASENP (NNS men)) (CC and) (BASENP (JJ non-pregnant) (NNS women))))) (CONJP (COMMA ,) (CONJP (ADVP (RB as) (RB well)) (IN as))) (NP (BASENP (JJ increased) (NN inflammation)) (SBAR (WHNP (WDT which)) (S (VP (MD could) (VP (VB worsen) (BASENP (DT the) (NN MS.)))))))))))))))))))))))