Abstract

BRITISH MEDICAL JOURNAL VOLUmE 282 21 MARCH 1981 993 partner on the right in The Boston Collaborative Drug Surveillance disappointing that your leading article on this regulating very precise, co-ordinated Programme3 has effectively monitored in- topic (21 February, p 588) fails to recognise sequences of movements.4 Fluent is a patients for many years now for potentially this aspect of the problem. As an example, speaking undoubtedly hiighly complex, sequential activity. It may be, therefore, that serious adverse effects of drugs. Its method, your summary of the work of Homburg et al2 the superior sequencing skills of the left half whereby a drug monitor-usually a nurse is essentially negative in emphasising other of the brain can explain both lateralisation of specially trained in drug surveillance tech- aspects of the outcome of these pregnancies; language and the preponderant preference for niques-interviews the patient regarding but one can take the view that the finding of the right hand. suspected adverse effects of treatment, is of significant risk to the fetus in 12 (18%) of 67 But what of the dissociation between speech proved efficacy and it is probable that such pregnancies identified is a not unreasonable laterality and the side of the