On the respiration of the heart, with special reference to the heart of <i>Limulus</i>

Error message

• Strict warning: Declaration of csl_names::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).
• Strict warning: Declaration of csl_date::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).
• Strict warning: Declaration of csl_date_part::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).
• Strict warning: Declaration of csl_number::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).
• Strict warning: Declaration of csl_group::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).
• Strict warning: Declaration of csl_layout::render() should be compatible with csl_rendering_element::render($data, $mode = NULL) in module_load_include() (line 329 of /home/otthuns3shsb/public_html/research/includes/module.inc).