title: "Floppy baby" (Oppenheim's disease, amyotonia congenital).
mesh_terms: D000367:Age Factors; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009123:Muscle Hypotonia / Q000175:diagnosis; D009157:Myasthenia Gravis / Q000175:diagnosis; D009223:Myotonic Dystrophy / Q000175:diagnosis; D009468:Neuromuscular Diseases / Q000175:diagnosis*